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Applicable to screw types as indicated by code symbols.
- Type AB thread forming.
- Type A thread forming, except for short lengths.
- Types B and BP thread forming and Types BF and BT thread cutting.
Unit of Measure
Specifications
Product |
N/A Tapping Screws |
Unit of Measure |
N/A English |
Nominal Size or Basic Screw Dia. |
N/A No. 7 |
Nominal Size or Basic Screw Dia. (Decimal) |
N/A 0.1510 in |
| Applicable to Screw Types1 |
N/A
1 2 3 |
Max. Width Across Flats (A) |
N/A 0.250 in |
Min. Width Across Flats (A) |
N/A 0.244 in |
Min. Width Across Corners (W) |
N/A 0.272 in |
Max. Head Height (H) |
N/A 0.093 in |
Min. Head Height (H) |
N/A 0.080 in |
Max. Washer Dia. (B) |
N/A 0.328 in |
Min. Washer Dia. (B) |
N/A 0.302 in |
Max. Washer Thickness (U) |
N/A 0.029 in |
Min. Washer Thickness (U) |
N/A 0.017 in |
Min. Protrusion Beyond Gaging Ring (F) |
N/A 0.048 in |
- 1 1 = Circle, 2 = Diamond, 3 = Triangle, 4 = Square
