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Applicable to screw types as indicated by code symbols.
- Type A thread forming, except for short lengths.
Unit of Measure
Specifications
Product |
N/A Tapping Screws |
Unit of Measure |
N/A English |
Nominal Size or Basic Screw Dia. |
N/A No. 18 |
Nominal Size or Basic Screw Dia. (Decimal) |
N/A 0.2940 in |
| Applicable to Screw Types1 |
N/A
2 |
Length for Types AB and A (L) |
N/A 13/16 in |
Max. Head Dia. (A) |
N/A 0.561 in |
Min. Head Dia. (A) |
N/A 0.522 in |
Ref. Head Height (H) |
N/A 0.180 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 0.083 in |
Min. Slot Depth (T) |
N/A 0.054 in |
Max. Protrusion Above Gaging Dia. (F) |
N/A 0.055 in |
Min. Protrusion Above Gaging Dia. (F) |
N/A 0.033 in |
Gaging Dia. (G) |
N/A 0.505 in |
- 1 1 = Circle, 2 = Diamond, 3 = Triangle, 4 = Square
