Applicable to screw types as indicated by code symbols.
- Types B and BP thread forming and Types BF and BT thread cutting.
- Type C thread forming and Types D, F, G, and T 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 3/8 in |
Nominal Size or Basic Screw Dia. (Decimal) |
N/A 0.3750 in |
Applicable to Screw Types1 |
N/A
3 4 |
Max. Width Across Flats (A) |
N/A 0.562 in |
Min. Width Across Flats (A) |
N/A 0.551 in |
Min. Width Across Corners (W) |
N/A 0.614 in |
Max. Head Height (H) |
N/A 0.295 in |
Min. Head Height (H) |
N/A 0.270 in |
Max. Washer Dia. (B) |
N/A 0.780 in |
Min. Washer Dia. (B) |
N/A 0.720 in |
Max. Washer Thickness (U) |
N/A 0.063 in |
Min. Washer Thickness (U) |
N/A 0.037 in |
Min. Protrusion Beyond Gaging Ring (F) |
N/A 0.162 in |
- 1 1 = Circle, 2 = Diamond, 3 = Triangle, 4 = Square