Applicable to screw types as indicated by code symbols.
- Type AB thread forming.
- 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 5/16 in |
Nominal Size or Basic Screw Dia. (Decimal) |
N/A 0.3125 in |
Applicable to Screw Types1 |
N/A
1 3 4 |
Max. Head Dia. (A) |
N/A 0.518 in |
Min. Head Dia. (A) |
N/A 0.490 in |
Max. Head Side Height (H) |
N/A 0.211 in |
Min. Head Side Height (H) |
N/A 0.194 in |
Max. Total Head Height (O) |
N/A 0.295 in |
Min. Total Head Height (O) |
N/A 0.262 in |
Max. Slot Width (J) |
N/A 0.084 in |
Min. Slot Width (J) |
N/A 0.072 in |
Max. Slot Depth (T) |
N/A 0.137 in |
Min. Slot Depth (T) |
N/A 0.110 in |
- 1 1 = Circle, 2 = Diamond, 3 = Triangle, 4 = Square