#2 × 64 TPI External (Bolt) Thread Specifications
ASME Unified National Fine (UNF) per ASME B1.1 — bolt/screw dimensions
Applications
Micro-electronics
Model making
Plastic enclosures
Technical Specifications
Parameter
Notation
Value
Threads Per Inch
n
64.0 TPI
Pitch
P
0.0156 in
Major Diameter
d
0.0854 in
Pitch Diameter
d2
0.0753 in
UNR Minor Dia (Max)
d1_max
0.0668 in
Allowance
es
0.0006 in
Tolerance Class
Class
2A
Thread Height
H
0.0135 in
Thread Depth
h3
0.0096 in
Crest Width
f / (P/8)
0.0020 in
Root Width
r / (P/4)
0.0039 in
Tap Drill
Drill
0.0704 in
Related Thread Sizes
#2 × 56 TPI (UNC)
Loading thread calculator...