ASME Unified National Constant Pitch (UN)

All 424 thread sizes per ASME B1.1. Click any row for full specifications, tolerances, and geometry.

Designation	Diameter (in)	TPI	Applications	Specs
#6	0.138	32 TPI	Electrical outlet plates, PC case components	External Internal
#8	0.164	32 TPI	Cabinet hinges, Drawer slides	External Internal
#10	0.19	32 TPI	Computer rack mounting, Automotive light fixtures	External Internal
#12	0.216	28 TPI	General purpose, Industrial (US)	External Internal
#12	0.216	32 TPI	General purpose, Industrial (US)	External Internal
1/4"	0.25	20 TPI	Automotive trim, Small engine repair	External Internal
1/4"	0.25	28 TPI	Automotive trim, Small engine repair	External Internal
1/4"	0.25	32 TPI	Automotive trim, Small engine repair	External Internal
5/16"	0.3125	20 TPI	Automotive batteries, Garden equipment	External Internal
5/16"	0.3125	28 TPI	Automotive batteries, Garden equipment	External Internal
5/16"	0.3125	32 TPI	Automotive batteries, Garden equipment	External Internal
3/8"	0.375	16 TPI	Engine headers/intakes, Deck building	External Internal
3/8"	0.375	20 TPI	Engine headers/intakes, Deck building	External Internal
3/8"	0.375	28 TPI	Engine headers/intakes, Deck building	External Internal
3/8"	0.375	32 TPI	Engine headers/intakes, Deck building	External Internal
7/16"	0.4375	16 TPI	Automotive seat belts, Suspension components	External Internal
7/16"	0.4375	20 TPI	Automotive seat belts, Suspension components	External Internal
7/16"	0.4375	28 TPI	Automotive seat belts, Suspension components	External Internal
7/16"	0.4375	32 TPI	Automotive seat belts, Suspension components	External Internal
1/2"	0.5	16 TPI	Automotive suspension, Structural framing	External Internal
1/2"	0.5	20 TPI	Automotive suspension, Structural framing	External Internal
1/2"	0.5	28 TPI	Automotive suspension, Structural framing	External Internal
1/2"	0.5	32 TPI	Automotive suspension, Structural framing	External Internal
9/16"	0.5625	12 TPI	General purpose, Industrial (US)	External Internal
9/16"	0.5625	16 TPI	General purpose, Industrial (US)	External Internal
9/16"	0.5625	20 TPI	General purpose, Industrial (US)	External Internal
9/16"	0.5625	28 TPI	General purpose, Industrial (US)	External Internal
9/16"	0.5625	32 TPI	General purpose, Industrial (US)	External Internal
5/8"	0.625	12 TPI	Trailer hitches, Highway guardrails	External Internal
5/8"	0.625	16 TPI	Trailer hitches, Highway guardrails	External Internal
5/8"	0.625	20 TPI	Trailer hitches, Highway guardrails	External Internal
5/8"	0.625	28 TPI	Trailer hitches, Highway guardrails	External Internal
5/8"	0.625	32 TPI	Trailer hitches, Highway guardrails	External Internal
11/16"	0.6875	12 TPI	General purpose, Industrial (US)	External Internal
11/16"	0.6875	16 TPI	General purpose, Industrial (US)	External Internal
11/16"	0.6875	20 TPI	General purpose, Industrial (US)	External Internal
11/16"	0.6875	28 TPI	General purpose, Industrial (US)	External Internal
11/16"	0.6875	32 TPI	General purpose, Industrial (US)	External Internal
3/4"	0.75	12 TPI	Heavy truck suspension, Large structural steel	External Internal
3/4"	0.75	16 TPI	Heavy truck suspension, Large structural steel	External Internal
3/4"	0.75	20 TPI	Heavy truck suspension, Large structural steel	External Internal
3/4"	0.75	28 TPI	Heavy truck suspension, Large structural steel	External Internal
3/4"	0.75	32 TPI	Heavy truck suspension, Large structural steel	External Internal
13/16"	0.8125	12 TPI	General purpose, Industrial (US)	External Internal
13/16"	0.8125	16 TPI	General purpose, Industrial (US)	External Internal
13/16"	0.8125	20 TPI	General purpose, Industrial (US)	External Internal
13/16"	0.8125	28 TPI	General purpose, Industrial (US)	External Internal
13/16"	0.8125	32 TPI	General purpose, Industrial (US)	External Internal
7/8"	0.875	12 TPI	Pipeline flanges, Heavy equipment tracks	External Internal
7/8"	0.875	16 TPI	Pipeline flanges, Heavy equipment tracks	External Internal
7/8"	0.875	20 TPI	Pipeline flanges, Heavy equipment tracks	External Internal
7/8"	0.875	28 TPI	Pipeline flanges, Heavy equipment tracks	External Internal
7/8"	0.875	32 TPI	Pipeline flanges, Heavy equipment tracks	External Internal
15/16"	0.9375	12 TPI	General purpose, Industrial (US)	External Internal
15/16"	0.9375	16 TPI	General purpose, Industrial (US)	External Internal
15/16"	0.9375	20 TPI	General purpose, Industrial (US)	External Internal
15/16"	0.9375	28 TPI	General purpose, Industrial (US)	External Internal
15/16"	0.9375	32 TPI	General purpose, Industrial (US)	External Internal
1"	1	8 TPI	Building anchor bolts, Bridge construction	External Internal
1"	1	12 TPI	Building anchor bolts, Bridge construction	External Internal
1"	1	16 TPI	Building anchor bolts, Bridge construction	External Internal
1"	1	20 TPI	Building anchor bolts, Bridge construction	External Internal
1"	1	28 TPI	Building anchor bolts, Bridge construction	External Internal
1"	1	32 TPI	Building anchor bolts, Bridge construction	External Internal
1 1/16"	1.0625	8 TPI	General purpose, Industrial (US)	External Internal
1 1/16"	1.0625	12 TPI	General purpose, Industrial (US)	External Internal
1 1/16"	1.0625	16 TPI	General purpose, Industrial (US)	External Internal
1 1/16"	1.0625	20 TPI	General purpose, Industrial (US)	External Internal
1 1/16"	1.0625	28 TPI	General purpose, Industrial (US)	External Internal
1 1/16"	1.0625	32 TPI	General purpose, Industrial (US)	External Internal
1 1/8"	1.125	8 TPI	General purpose, Industrial (US)	External Internal
1 1/8"	1.125	12 TPI	General purpose, Industrial (US)	External Internal
1 1/8"	1.125	16 TPI	General purpose, Industrial (US)	External Internal
1 1/8"	1.125	20 TPI	General purpose, Industrial (US)	External Internal
1 1/8"	1.125	28 TPI	General purpose, Industrial (US)	External Internal
1 1/8"	1.125	32 TPI	General purpose, Industrial (US)	External Internal
1 3/16"	1.1875	8 TPI	General purpose, Industrial (US)	External Internal
1 3/16"	1.1875	12 TPI	General purpose, Industrial (US)	External Internal
1 3/16"	1.1875	16 TPI	General purpose, Industrial (US)	External Internal
1 3/16"	1.1875	20 TPI	General purpose, Industrial (US)	External Internal
1 3/16"	1.1875	28 TPI	General purpose, Industrial (US)	External Internal
1 3/16"	1.1875	32 TPI	General purpose, Industrial (US)	External Internal
1 1/4"	1.25	8 TPI	General purpose, Industrial (US)	External Internal
1 1/4"	1.25	12 TPI	General purpose, Industrial (US)	External Internal
1 1/4"	1.25	16 TPI	General purpose, Industrial (US)	External Internal
1 1/4"	1.25	20 TPI	General purpose, Industrial (US)	External Internal
1 1/4"	1.25	28 TPI	General purpose, Industrial (US)	External Internal
1 1/4"	1.25	32 TPI	General purpose, Industrial (US)	External Internal
1 5/16"	1.3125	8 TPI	General purpose, Industrial (US)	External Internal
1 5/16"	1.3125	12 TPI	General purpose, Industrial (US)	External Internal
1 5/16"	1.3125	16 TPI	General purpose, Industrial (US)	External Internal
1 5/16"	1.3125	20 TPI	General purpose, Industrial (US)	External Internal
1 5/16"	1.3125	28 TPI	General purpose, Industrial (US)	External Internal
1 5/16"	1.3125	32 TPI	General purpose, Industrial (US)	External Internal
1 3/8"	1.375	6 TPI	General purpose, Industrial (US)	External Internal
1 3/8"	1.375	8 TPI	General purpose, Industrial (US)	External Internal
1 3/8"	1.375	12 TPI	General purpose, Industrial (US)	External Internal
1 3/8"	1.375	16 TPI	General purpose, Industrial (US)	External Internal
1 3/8"	1.375	20 TPI	General purpose, Industrial (US)	External Internal
1 3/8"	1.375	28 TPI	General purpose, Industrial (US)	External Internal
1 3/8"	1.375	32 TPI	General purpose, Industrial (US)	External Internal
1 7/16"	1.4375	6 TPI	General purpose, Industrial (US)	External Internal
1 7/16"	1.4375	8 TPI	General purpose, Industrial (US)	External Internal
1 7/16"	1.4375	12 TPI	General purpose, Industrial (US)	External Internal
1 7/16"	1.4375	16 TPI	General purpose, Industrial (US)	External Internal
1 7/16"	1.4375	20 TPI	General purpose, Industrial (US)	External Internal
1 7/16"	1.4375	28 TPI	General purpose, Industrial (US)	External Internal
1 7/16"	1.4375	32 TPI	General purpose, Industrial (US)	External Internal
1 1/2"	1.5	6 TPI	General purpose, Industrial (US)	External Internal
1 1/2"	1.5	8 TPI	General purpose, Industrial (US)	External Internal
1 1/2"	1.5	12 TPI	General purpose, Industrial (US)	External Internal
1 1/2"	1.5	16 TPI	General purpose, Industrial (US)	External Internal
1 1/2"	1.5	20 TPI	General purpose, Industrial (US)	External Internal
1 1/2"	1.5	28 TPI	General purpose, Industrial (US)	External Internal
1 1/2"	1.5	32 TPI	General purpose, Industrial (US)	External Internal
1 9/16"	1.5625	6 TPI	General purpose, Industrial (US)	External Internal
1 9/16"	1.5625	8 TPI	General purpose, Industrial (US)	External Internal
1 9/16"	1.5625	12 TPI	General purpose, Industrial (US)	External Internal
1 9/16"	1.5625	16 TPI	General purpose, Industrial (US)	External Internal
1 9/16"	1.5625	20 TPI	General purpose, Industrial (US)	External Internal
1 9/16"	1.5625	28 TPI	General purpose, Industrial (US)	External Internal
1 9/16"	1.5625	32 TPI	General purpose, Industrial (US)	External Internal
1 5/8"	1.625	6 TPI	General purpose, Industrial (US)	External Internal
1 5/8"	1.625	8 TPI	General purpose, Industrial (US)	External Internal
1 5/8"	1.625	12 TPI	General purpose, Industrial (US)	External Internal
1 5/8"	1.625	16 TPI	General purpose, Industrial (US)	External Internal
1 5/8"	1.625	20 TPI	General purpose, Industrial (US)	External Internal
1 5/8"	1.625	28 TPI	General purpose, Industrial (US)	External Internal
1 5/8"	1.625	32 TPI	General purpose, Industrial (US)	External Internal
1 11/16"	1.6875	6 TPI	General purpose, Industrial (US)	External Internal
1 11/16"	1.6875	8 TPI	General purpose, Industrial (US)	External Internal
1 11/16"	1.6875	12 TPI	General purpose, Industrial (US)	External Internal
1 11/16"	1.6875	16 TPI	General purpose, Industrial (US)	External Internal
1 11/16"	1.6875	20 TPI	General purpose, Industrial (US)	External Internal
1 11/16"	1.6875	28 TPI	General purpose, Industrial (US)	External Internal
1 11/16"	1.6875	32 TPI	General purpose, Industrial (US)	External Internal
1 3/4"	1.75	6 TPI	General purpose, Industrial (US)	External Internal
1 3/4"	1.75	8 TPI	General purpose, Industrial (US)	External Internal
1 3/4"	1.75	12 TPI	General purpose, Industrial (US)	External Internal
1 3/4"	1.75	16 TPI	General purpose, Industrial (US)	External Internal
1 3/4"	1.75	20 TPI	General purpose, Industrial (US)	External Internal
1 3/4"	1.75	28 TPI	General purpose, Industrial (US)	External Internal
1 3/4"	1.75	32 TPI	General purpose, Industrial (US)	External Internal
1 13/16"	1.8125	6 TPI	General purpose, Industrial (US)	External Internal
1 13/16"	1.8125	8 TPI	General purpose, Industrial (US)	External Internal
1 13/16"	1.8125	12 TPI	General purpose, Industrial (US)	External Internal
1 13/16"	1.8125	16 TPI	General purpose, Industrial (US)	External Internal
1 13/16"	1.8125	20 TPI	General purpose, Industrial (US)	External Internal
1 13/16"	1.8125	28 TPI	General purpose, Industrial (US)	External Internal
1 13/16"	1.8125	32 TPI	General purpose, Industrial (US)	External Internal
1 7/8"	1.875	6 TPI	General purpose, Industrial (US)	External Internal
1 7/8"	1.875	8 TPI	General purpose, Industrial (US)	External Internal
1 7/8"	1.875	12 TPI	General purpose, Industrial (US)	External Internal
1 7/8"	1.875	16 TPI	General purpose, Industrial (US)	External Internal
1 7/8"	1.875	20 TPI	General purpose, Industrial (US)	External Internal
1 7/8"	1.875	28 TPI	General purpose, Industrial (US)	External Internal
1 7/8"	1.875	32 TPI	General purpose, Industrial (US)	External Internal
1 15/16"	1.9375	6 TPI	General purpose, Industrial (US)	External Internal
1 15/16"	1.9375	8 TPI	General purpose, Industrial (US)	External Internal
1 15/16"	1.9375	12 TPI	General purpose, Industrial (US)	External Internal
1 15/16"	1.9375	16 TPI	General purpose, Industrial (US)	External Internal
1 15/16"	1.9375	20 TPI	General purpose, Industrial (US)	External Internal
1 15/16"	1.9375	28 TPI	General purpose, Industrial (US)	External Internal
1 15/16"	1.9375	32 TPI	General purpose, Industrial (US)	External Internal
2"	2	6 TPI	General purpose, Industrial (US)	External Internal
2"	2	8 TPI	General purpose, Industrial (US)	External Internal
2"	2	12 TPI	General purpose, Industrial (US)	External Internal
2"	2	16 TPI	General purpose, Industrial (US)	External Internal
2"	2	20 TPI	General purpose, Industrial (US)	External Internal
2"	2	28 TPI	General purpose, Industrial (US)	External Internal
2"	2	32 TPI	General purpose, Industrial (US)	External Internal
2 1/8"	2.125	6 TPI	General purpose, Industrial (US)	External Internal
2 1/8"	2.125	8 TPI	General purpose, Industrial (US)	External Internal
2 1/8"	2.125	12 TPI	General purpose, Industrial (US)	External Internal
2 1/8"	2.125	16 TPI	General purpose, Industrial (US)	External Internal
2 1/8"	2.125	20 TPI	General purpose, Industrial (US)	External Internal
2 1/8"	2.125	28 TPI	General purpose, Industrial (US)	External Internal
2 1/8"	2.125	32 TPI	General purpose, Industrial (US)	External Internal
2 1/4"	2.25	6 TPI	General purpose, Industrial (US)	External Internal
2 1/4"	2.25	8 TPI	General purpose, Industrial (US)	External Internal
2 1/4"	2.25	12 TPI	General purpose, Industrial (US)	External Internal
2 1/4"	2.25	16 TPI	General purpose, Industrial (US)	External Internal
2 1/4"	2.25	20 TPI	General purpose, Industrial (US)	External Internal
2 1/4"	2.25	28 TPI	General purpose, Industrial (US)	External Internal
2 1/4"	2.25	32 TPI	General purpose, Industrial (US)	External Internal
2 3/8"	2.375	6 TPI	General purpose, Industrial (US)	External Internal
2 3/8"	2.375	8 TPI	General purpose, Industrial (US)	External Internal
2 3/8"	2.375	12 TPI	General purpose, Industrial (US)	External Internal
2 3/8"	2.375	16 TPI	General purpose, Industrial (US)	External Internal
2 3/8"	2.375	20 TPI	General purpose, Industrial (US)	External Internal
2 3/8"	2.375	28 TPI	General purpose, Industrial (US)	External Internal
2 3/8"	2.375	32 TPI	General purpose, Industrial (US)	External Internal
2 1/2"	2.5	4 TPI	General purpose, Industrial (US)	External Internal
2 1/2"	2.5	6 TPI	General purpose, Industrial (US)	External Internal
2 1/2"	2.5	8 TPI	General purpose, Industrial (US)	External Internal
2 1/2"	2.5	12 TPI	General purpose, Industrial (US)	External Internal
2 1/2"	2.5	16 TPI	General purpose, Industrial (US)	External Internal
2 1/2"	2.5	20 TPI	General purpose, Industrial (US)	External Internal
2 1/2"	2.5	28 TPI	General purpose, Industrial (US)	External Internal
2 1/2"	2.5	32 TPI	General purpose, Industrial (US)	External Internal
2 5/8"	2.625	4 TPI	General purpose, Industrial (US)	External Internal
2 5/8"	2.625	6 TPI	General purpose, Industrial (US)	External Internal
2 5/8"	2.625	8 TPI	General purpose, Industrial (US)	External Internal
2 5/8"	2.625	12 TPI	General purpose, Industrial (US)	External Internal
2 5/8"	2.625	16 TPI	General purpose, Industrial (US)	External Internal
2 5/8"	2.625	20 TPI	General purpose, Industrial (US)	External Internal
2 5/8"	2.625	28 TPI	General purpose, Industrial (US)	External Internal
2 5/8"	2.625	32 TPI	General purpose, Industrial (US)	External Internal
2 3/4"	2.75	4 TPI	General purpose, Industrial (US)	External Internal
2 3/4"	2.75	6 TPI	General purpose, Industrial (US)	External Internal
2 3/4"	2.75	8 TPI	General purpose, Industrial (US)	External Internal
2 3/4"	2.75	12 TPI	General purpose, Industrial (US)	External Internal
2 3/4"	2.75	16 TPI	General purpose, Industrial (US)	External Internal
2 3/4"	2.75	20 TPI	General purpose, Industrial (US)	External Internal
2 3/4"	2.75	28 TPI	General purpose, Industrial (US)	External Internal
2 3/4"	2.75	32 TPI	General purpose, Industrial (US)	External Internal
2 7/8"	2.875	4 TPI	General purpose, Industrial (US)	External Internal
2 7/8"	2.875	6 TPI	General purpose, Industrial (US)	External Internal
2 7/8"	2.875	8 TPI	General purpose, Industrial (US)	External Internal
2 7/8"	2.875	12 TPI	General purpose, Industrial (US)	External Internal
2 7/8"	2.875	16 TPI	General purpose, Industrial (US)	External Internal
2 7/8"	2.875	20 TPI	General purpose, Industrial (US)	External Internal
2 7/8"	2.875	28 TPI	General purpose, Industrial (US)	External Internal
2 7/8"	2.875	32 TPI	General purpose, Industrial (US)	External Internal
3"	3	4 TPI	General purpose, Industrial (US)	External Internal
3"	3	6 TPI	General purpose, Industrial (US)	External Internal
3"	3	8 TPI	General purpose, Industrial (US)	External Internal
3"	3	12 TPI	General purpose, Industrial (US)	External Internal
3"	3	16 TPI	General purpose, Industrial (US)	External Internal
3"	3	20 TPI	General purpose, Industrial (US)	External Internal
3"	3	28 TPI	General purpose, Industrial (US)	External Internal
3"	3	32 TPI	General purpose, Industrial (US)	External Internal
3 1/8"	3.125	4 TPI	General purpose, Industrial (US)	External Internal
3 1/8"	3.125	6 TPI	General purpose, Industrial (US)	External Internal
3 1/8"	3.125	8 TPI	General purpose, Industrial (US)	External Internal
3 1/8"	3.125	12 TPI	General purpose, Industrial (US)	External Internal
3 1/8"	3.125	16 TPI	General purpose, Industrial (US)	External Internal
3 1/8"	3.125	20 TPI	General purpose, Industrial (US)	External Internal
3 1/8"	3.125	28 TPI	General purpose, Industrial (US)	External Internal
3 1/8"	3.125	32 TPI	General purpose, Industrial (US)	External Internal
3 1/4"	3.25	4 TPI	General purpose, Industrial (US)	External Internal
3 1/4"	3.25	6 TPI	General purpose, Industrial (US)	External Internal
3 1/4"	3.25	8 TPI	General purpose, Industrial (US)	External Internal
3 1/4"	3.25	12 TPI	General purpose, Industrial (US)	External Internal
3 1/4"	3.25	16 TPI	General purpose, Industrial (US)	External Internal
3 1/4"	3.25	20 TPI	General purpose, Industrial (US)	External Internal
3 1/4"	3.25	28 TPI	General purpose, Industrial (US)	External Internal
3 1/4"	3.25	32 TPI	General purpose, Industrial (US)	External Internal
3 3/8"	3.375	4 TPI	General purpose, Industrial (US)	External Internal
3 3/8"	3.375	6 TPI	General purpose, Industrial (US)	External Internal
3 3/8"	3.375	8 TPI	General purpose, Industrial (US)	External Internal
3 3/8"	3.375	12 TPI	General purpose, Industrial (US)	External Internal
3 3/8"	3.375	16 TPI	General purpose, Industrial (US)	External Internal
3 3/8"	3.375	20 TPI	General purpose, Industrial (US)	External Internal
3 3/8"	3.375	28 TPI	General purpose, Industrial (US)	External Internal
3 3/8"	3.375	32 TPI	General purpose, Industrial (US)	External Internal
3 1/2"	3.5	4 TPI	General purpose, Industrial (US)	External Internal
3 1/2"	3.5	6 TPI	General purpose, Industrial (US)	External Internal
3 1/2"	3.5	8 TPI	General purpose, Industrial (US)	External Internal
3 1/2"	3.5	12 TPI	General purpose, Industrial (US)	External Internal
3 1/2"	3.5	16 TPI	General purpose, Industrial (US)	External Internal
3 1/2"	3.5	20 TPI	General purpose, Industrial (US)	External Internal
3 1/2"	3.5	28 TPI	General purpose, Industrial (US)	External Internal
3 1/2"	3.5	32 TPI	General purpose, Industrial (US)	External Internal
3 5/8"	3.625	4 TPI	General purpose, Industrial (US)	External Internal
3 5/8"	3.625	6 TPI	General purpose, Industrial (US)	External Internal
3 5/8"	3.625	8 TPI	General purpose, Industrial (US)	External Internal
3 5/8"	3.625	12 TPI	General purpose, Industrial (US)	External Internal
3 5/8"	3.625	16 TPI	General purpose, Industrial (US)	External Internal
3 5/8"	3.625	20 TPI	General purpose, Industrial (US)	External Internal
3 5/8"	3.625	28 TPI	General purpose, Industrial (US)	External Internal
3 5/8"	3.625	32 TPI	General purpose, Industrial (US)	External Internal
3 3/4"	3.75	4 TPI	General purpose, Industrial (US)	External Internal
3 3/4"	3.75	6 TPI	General purpose, Industrial (US)	External Internal
3 3/4"	3.75	8 TPI	General purpose, Industrial (US)	External Internal
3 3/4"	3.75	12 TPI	General purpose, Industrial (US)	External Internal
3 3/4"	3.75	16 TPI	General purpose, Industrial (US)	External Internal
3 3/4"	3.75	20 TPI	General purpose, Industrial (US)	External Internal
3 3/4"	3.75	28 TPI	General purpose, Industrial (US)	External Internal
3 3/4"	3.75	32 TPI	General purpose, Industrial (US)	External Internal
3 7/8"	3.875	4 TPI	General purpose, Industrial (US)	External Internal
3 7/8"	3.875	6 TPI	General purpose, Industrial (US)	External Internal
3 7/8"	3.875	8 TPI	General purpose, Industrial (US)	External Internal
3 7/8"	3.875	12 TPI	General purpose, Industrial (US)	External Internal
3 7/8"	3.875	16 TPI	General purpose, Industrial (US)	External Internal
3 7/8"	3.875	20 TPI	General purpose, Industrial (US)	External Internal
3 7/8"	3.875	28 TPI	General purpose, Industrial (US)	External Internal
3 7/8"	3.875	32 TPI	General purpose, Industrial (US)	External Internal
4"	4	4 TPI	General purpose, Industrial (US)	External Internal
4"	4	6 TPI	General purpose, Industrial (US)	External Internal
4"	4	8 TPI	General purpose, Industrial (US)	External Internal
4"	4	12 TPI	General purpose, Industrial (US)	External Internal
4"	4	16 TPI	General purpose, Industrial (US)	External Internal
4"	4	20 TPI	General purpose, Industrial (US)	External Internal
4"	4	28 TPI	General purpose, Industrial (US)	External Internal
4"	4	32 TPI	General purpose, Industrial (US)	External Internal
4 1/8"	4.125	4 TPI	General purpose, Industrial (US)	External Internal
4 1/8"	4.125	6 TPI	General purpose, Industrial (US)	External Internal
4 1/8"	4.125	8 TPI	General purpose, Industrial (US)	External Internal
4 1/8"	4.125	12 TPI	General purpose, Industrial (US)	External Internal
4 1/8"	4.125	16 TPI	General purpose, Industrial (US)	External Internal
4 1/8"	4.125	20 TPI	General purpose, Industrial (US)	External Internal
4 1/8"	4.125	28 TPI	General purpose, Industrial (US)	External Internal
4 1/8"	4.125	32 TPI	General purpose, Industrial (US)	External Internal
4 1/4"	4.25	4 TPI	General purpose, Industrial (US)	External Internal
4 1/4"	4.25	6 TPI	General purpose, Industrial (US)	External Internal
4 1/4"	4.25	8 TPI	General purpose, Industrial (US)	External Internal
4 1/4"	4.25	12 TPI	General purpose, Industrial (US)	External Internal
4 1/4"	4.25	16 TPI	General purpose, Industrial (US)	External Internal
4 1/4"	4.25	20 TPI	General purpose, Industrial (US)	External Internal
4 1/4"	4.25	28 TPI	General purpose, Industrial (US)	External Internal
4 1/4"	4.25	32 TPI	General purpose, Industrial (US)	External Internal
4 3/8"	4.375	4 TPI	General purpose, Industrial (US)	External Internal
4 3/8"	4.375	6 TPI	General purpose, Industrial (US)	External Internal
4 3/8"	4.375	8 TPI	General purpose, Industrial (US)	External Internal
4 3/8"	4.375	12 TPI	General purpose, Industrial (US)	External Internal
4 3/8"	4.375	16 TPI	General purpose, Industrial (US)	External Internal
4 3/8"	4.375	20 TPI	General purpose, Industrial (US)	External Internal
4 3/8"	4.375	28 TPI	General purpose, Industrial (US)	External Internal
4 3/8"	4.375	32 TPI	General purpose, Industrial (US)	External Internal
4 1/2"	4.5	4 TPI	General purpose, Industrial (US)	External Internal
4 1/2"	4.5	6 TPI	General purpose, Industrial (US)	External Internal
4 1/2"	4.5	8 TPI	General purpose, Industrial (US)	External Internal
4 1/2"	4.5	12 TPI	General purpose, Industrial (US)	External Internal
4 1/2"	4.5	16 TPI	General purpose, Industrial (US)	External Internal
4 1/2"	4.5	20 TPI	General purpose, Industrial (US)	External Internal
4 1/2"	4.5	28 TPI	General purpose, Industrial (US)	External Internal
4 1/2"	4.5	32 TPI	General purpose, Industrial (US)	External Internal
4 5/8"	4.625	4 TPI	General purpose, Industrial (US)	External Internal
4 5/8"	4.625	6 TPI	General purpose, Industrial (US)	External Internal
4 5/8"	4.625	8 TPI	General purpose, Industrial (US)	External Internal
4 5/8"	4.625	12 TPI	General purpose, Industrial (US)	External Internal
4 5/8"	4.625	16 TPI	General purpose, Industrial (US)	External Internal
4 5/8"	4.625	20 TPI	General purpose, Industrial (US)	External Internal
4 5/8"	4.625	28 TPI	General purpose, Industrial (US)	External Internal
4 5/8"	4.625	32 TPI	General purpose, Industrial (US)	External Internal
4 3/4"	4.75	4 TPI	General purpose, Industrial (US)	External Internal
4 3/4"	4.75	6 TPI	General purpose, Industrial (US)	External Internal
4 3/4"	4.75	8 TPI	General purpose, Industrial (US)	External Internal
4 3/4"	4.75	12 TPI	General purpose, Industrial (US)	External Internal
4 3/4"	4.75	16 TPI	General purpose, Industrial (US)	External Internal
4 3/4"	4.75	20 TPI	General purpose, Industrial (US)	External Internal
4 3/4"	4.75	28 TPI	General purpose, Industrial (US)	External Internal
4 3/4"	4.75	32 TPI	General purpose, Industrial (US)	External Internal
4 7/8"	4.875	4 TPI	General purpose, Industrial (US)	External Internal
4 7/8"	4.875	6 TPI	General purpose, Industrial (US)	External Internal
4 7/8"	4.875	8 TPI	General purpose, Industrial (US)	External Internal
4 7/8"	4.875	12 TPI	General purpose, Industrial (US)	External Internal
4 7/8"	4.875	16 TPI	General purpose, Industrial (US)	External Internal
4 7/8"	4.875	20 TPI	General purpose, Industrial (US)	External Internal
4 7/8"	4.875	28 TPI	General purpose, Industrial (US)	External Internal
4 7/8"	4.875	32 TPI	General purpose, Industrial (US)	External Internal
5"	5	4 TPI	General purpose, Industrial (US)	External Internal
5"	5	6 TPI	General purpose, Industrial (US)	External Internal
5"	5	8 TPI	General purpose, Industrial (US)	External Internal
5"	5	12 TPI	General purpose, Industrial (US)	External Internal
5"	5	16 TPI	General purpose, Industrial (US)	External Internal
5"	5	20 TPI	General purpose, Industrial (US)	External Internal
5"	5	28 TPI	General purpose, Industrial (US)	External Internal
5"	5	32 TPI	General purpose, Industrial (US)	External Internal
5 1/8"	5.125	4 TPI	General purpose, Industrial (US)	External Internal
5 1/8"	5.125	6 TPI	General purpose, Industrial (US)	External Internal
5 1/8"	5.125	8 TPI	General purpose, Industrial (US)	External Internal
5 1/8"	5.125	12 TPI	General purpose, Industrial (US)	External Internal
5 1/8"	5.125	16 TPI	General purpose, Industrial (US)	External Internal
5 1/8"	5.125	20 TPI	General purpose, Industrial (US)	External Internal
5 1/8"	5.125	28 TPI	General purpose, Industrial (US)	External Internal
5 1/8"	5.125	32 TPI	General purpose, Industrial (US)	External Internal
5 1/4"	5.25	4 TPI	General purpose, Industrial (US)	External Internal
5 1/4"	5.25	6 TPI	General purpose, Industrial (US)	External Internal
5 1/4"	5.25	8 TPI	General purpose, Industrial (US)	External Internal
5 1/4"	5.25	12 TPI	General purpose, Industrial (US)	External Internal
5 1/4"	5.25	16 TPI	General purpose, Industrial (US)	External Internal
5 1/4"	5.25	20 TPI	General purpose, Industrial (US)	External Internal
5 1/4"	5.25	28 TPI	General purpose, Industrial (US)	External Internal
5 1/4"	5.25	32 TPI	General purpose, Industrial (US)	External Internal
5 3/8"	5.375	4 TPI	General purpose, Industrial (US)	External Internal
5 3/8"	5.375	6 TPI	General purpose, Industrial (US)	External Internal
5 3/8"	5.375	8 TPI	General purpose, Industrial (US)	External Internal
5 3/8"	5.375	12 TPI	General purpose, Industrial (US)	External Internal
5 3/8"	5.375	16 TPI	General purpose, Industrial (US)	External Internal
5 3/8"	5.375	20 TPI	General purpose, Industrial (US)	External Internal
5 3/8"	5.375	28 TPI	General purpose, Industrial (US)	External Internal
5 3/8"	5.375	32 TPI	General purpose, Industrial (US)	External Internal
5 1/2"	5.5	4 TPI	General purpose, Industrial (US)	External Internal
5 1/2"	5.5	6 TPI	General purpose, Industrial (US)	External Internal
5 1/2"	5.5	8 TPI	General purpose, Industrial (US)	External Internal
5 1/2"	5.5	12 TPI	General purpose, Industrial (US)	External Internal
5 1/2"	5.5	16 TPI	General purpose, Industrial (US)	External Internal
5 1/2"	5.5	20 TPI	General purpose, Industrial (US)	External Internal
5 1/2"	5.5	28 TPI	General purpose, Industrial (US)	External Internal
5 1/2"	5.5	32 TPI	General purpose, Industrial (US)	External Internal
5 5/8"	5.625	4 TPI	General purpose, Industrial (US)	External Internal
5 5/8"	5.625	6 TPI	General purpose, Industrial (US)	External Internal
5 5/8"	5.625	8 TPI	General purpose, Industrial (US)	External Internal
5 5/8"	5.625	12 TPI	General purpose, Industrial (US)	External Internal
5 5/8"	5.625	16 TPI	General purpose, Industrial (US)	External Internal
5 5/8"	5.625	20 TPI	General purpose, Industrial (US)	External Internal
5 5/8"	5.625	28 TPI	General purpose, Industrial (US)	External Internal
5 5/8"	5.625	32 TPI	General purpose, Industrial (US)	External Internal
5 3/4"	5.75	4 TPI	General purpose, Industrial (US)	External Internal
5 3/4"	5.75	6 TPI	General purpose, Industrial (US)	External Internal
5 3/4"	5.75	8 TPI	General purpose, Industrial (US)	External Internal
5 3/4"	5.75	12 TPI	General purpose, Industrial (US)	External Internal
5 3/4"	5.75	16 TPI	General purpose, Industrial (US)	External Internal
5 3/4"	5.75	20 TPI	General purpose, Industrial (US)	External Internal
5 3/4"	5.75	28 TPI	General purpose, Industrial (US)	External Internal
5 3/4"	5.75	32 TPI	General purpose, Industrial (US)	External Internal
5 7/8"	5.875	4 TPI	General purpose, Industrial (US)	External Internal
5 7/8"	5.875	6 TPI	General purpose, Industrial (US)	External Internal
5 7/8"	5.875	8 TPI	General purpose, Industrial (US)	External Internal
5 7/8"	5.875	12 TPI	General purpose, Industrial (US)	External Internal
5 7/8"	5.875	16 TPI	General purpose, Industrial (US)	External Internal
5 7/8"	5.875	20 TPI	General purpose, Industrial (US)	External Internal
5 7/8"	5.875	28 TPI	General purpose, Industrial (US)	External Internal
5 7/8"	5.875	32 TPI	General purpose, Industrial (US)	External Internal
6"	6	4 TPI	General purpose, Industrial (US)	External Internal
6"	6	6 TPI	General purpose, Industrial (US)	External Internal
6"	6	8 TPI	General purpose, Industrial (US)	External Internal
6"	6	12 TPI	General purpose, Industrial (US)	External Internal
6"	6	16 TPI	General purpose, Industrial (US)	External Internal
6"	6	20 TPI	General purpose, Industrial (US)	External Internal
6"	6	28 TPI	General purpose, Industrial (US)	External Internal
6"	6	32 TPI	General purpose, Industrial (US)	External Internal

Showing 424 thread sizes • Standards: ASME B1.1