Catalog
Thread Size |
N/A
.112-40 (#4-40)
 |
Type |
N/A PF31 |
Thread Code |
N/A 440 |
Screw Length Code |
N/A 30 |
A (Shank) Max. |
N/A
0.038 in
 |
Min. Sheet Thickness |
N/A .040 in |
Hole Size in Sheet + 0.003 - 0.000 |
N/A .203 in |
C Max. |
N/A .202 in |
E ± .010 |
N/A .406 in |
G ± .015 |
N/A .300 in |
H ± .005 |
N/A .202 in |
T1 Max. |
N/A .325 in |
T2 Nom. |
N/A .595 in |
Min. Dist. Hole C/L to Edge |
N/A .260 in |
| Thread Specification1 | N/A ANSI B1.1, 2A |
Material Retainer |
N/A Carbon Steel |
Material Screw |
N/A Heat-Treated Carbon Steel |
Material Spring |
N/A 300 Series Stainless Steel |
Finish Retainer |
N/A Bright Nickel over Copper Flash per ASTM B689 |
Finish Screw |
N/A Bright nickel over copper flash per ASTM B689 |
Finish Spring |
N/A Natural Finish |
For Use in Sheet Hardness |
N/A
HRB 60 or Less (Hardness Rockwell “B” Scale) HB 107 or Less (Hardness Brinell) |
CAD View |
N/A Fastened |
CAD Supplier |
N/A PennEngineering® (PEM®) |
- 1 As with all external plated threads, Class 2A/6g, the maximum major and pitch, after plating, may equal basic sizes and be gauged to Class 3A/4h, per ANSI B1.1, Section 8, Table 3A and ANSI B1.13M, Section 8, Paragraph 8.2.
