#6 × 40 TPI External (Bolt) Thread Specifications
ASME Unified National Fine (UNF) per ASME B1.1 — bolt/screw dimensions
Applications
Electrical outlet plates
PC case components
Consumer electronics
Technical Specifications
Parameter
Notation
Value
Threads Per Inch
n
40.0 TPI
Pitch
P
0.0250 in
Major Diameter
d
0.1372 in
Pitch Diameter
d2
0.1210 in
UNR Minor Dia (Max)
d1_max
0.1074 in
Allowance
es
0.0008 in
Tolerance Class
Class
2A
Thread Height
H
0.0217 in
Thread Depth
h3
0.0153 in
Crest Width
f / (P/8)
0.0031 in
Root Width
r / (P/4)
0.0063 in
Tap Drill
Drill
0.1130 in
Related Thread Sizes
#6 × 32 TPI (UNC)
Loading thread calculator...