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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.
- 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 No. 8 |
Nominal Size or Basic Screw Dia. (Decimal) |
N/A 0.1640 in |
Head Size |
N/A 6 |
| Applicable to Screw Types1 |
N/A
1 2 3 4 |
Min. Shoulder Dia. for Type A (E) |
N/A 0.157 in |
Min. Shoulder Dia. for Other Types (E) |
N/A 0.157 in |
Max. Head Dia. (A) |
N/A 0.262 in |
Min. Head Dia. (A) |
N/A 0.238 in |
Ref. Head Height (H) |
N/A 0.069 in |
Max. Protrusion Above Gaging Dia. (F) |
N/A 0.036 in |
Min. Protrusion Above Gaging Dia. (F) |
N/A 0.021 in |
Gaging Dia. (G) |
N/A 0.220 in |
- 1 1 = Circle, 2 = Diamond, 3 = Triangle, 4 = Square
