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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 |
Head Size |
N/A 5/16 in |
| Applicable to Screw Types1 |
N/A
3 4 |
Max. Head Dia. (A) |
N/A 0.597 in |
Min. Head Dia. (A) |
N/A 0.556 in |
Ref. Head Side Height (H) |
N/A 0.173 in |
Ref. Head Crown Height (C) |
N/A 0.099 in |
Ref. Total Head Height (O) |
N/A 0.265 in |
Ref. Head Radius (R) |
N/A 0.048 in |
Min. Shoulder Dia. for Other Types Long Screws (E) |
N/A 0.364 in |
- 1 1 = Circle, 2 = Diamond, 3 = Triangle, 4 = Square
