7/8" × 14 TPI External (Bolt) Thread Specifications
ASME Unified National Fine (UNF) per ASME B1.1 — bolt/screw dimensions
Applications
Pipeline flanges
Heavy equipment tracks
Bridge components
Technical Specifications
Parameter
Notation
Value
Threads Per Inch
n
14.0 TPI
Pitch
P
0.0714 in
Major Diameter
d
0.8734 in
Pitch Diameter
d2
0.8270 in
UNR Minor Dia (Max)
d1_max
0.7883 in
Allowance
es
0.0016 in
Tolerance Class
Class
2A
Thread Height
H
0.0619 in
Thread Depth
h3
0.0438 in
Crest Width
f / (P/8)
0.0089 in
Root Width
r / (P/4)
0.0179 in
Tap Drill
Drill
0.8036 in
Related Thread Sizes
7/8" × 9 TPI (UNC)
7/8" × 20 TPI (UNEF)
Loading thread calculator...