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 |
Length for Types AB and A (L) |
N/A 13/16 in |
Length for Other Types (LT) |
N/A 5/8 in |
Max. Head Dia. (A) |
N/A 0.597 in |
Min. Head Dia. (A) |
N/A 0.556 in |
Max. Head Height (H) |
N/A 0.134 in |
Min. Head Height (H) |
N/A 0.116 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 0.062 in |
Min. Slot Depth (T) |
N/A 0.041 in |
Max. Protrusion Above Gaging Dia. (F) |
N/A 0.057 in |
Min. Protrusion Above Gaging Dia. (F) |
N/A 0.034 in |
Gaging Dia. (G) |
N/A 0.539 in |
- 1 1 = Circle, 3 = Triangle, 4 = Square