Thread Size |
N/A .112-40 (#4-40) |
Thread Code |
N/A 6440 |
Length Code |
N/A 312 |
Style |
N/A #2 |
| Min. Sheet Thickness1 | N/A .025 in |
Hole Size in Sheet + .003 - .000 |
N/A .213 in |
C + .000 - .005 |
N/A
.212 in
 |
D - Min. Thread Depth |
N/A .220 in |
H Nom. |
N/A .250 in |
| L - Length ± .0032 | N/A .312 in |
Min. Dist. Hole C/L to Edge |
N/A .27 in |
| For Use in Sheet Hardness3 | N/A HRB 60 / HB 107 or Less |
Thread Specification |
N/A Internal, ANSI B1.1, 2B |
Fastener Material |
N/A Non-heat Treated Carbon Steel |
Standard Finish |
N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless |
- 1 For maximum performance, we recommend that you use the maximum shank length for your sheet thickness.
- 2 Available in other lengths on special order.
- 3 HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.
