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- Inch
- 1-8 UNC Thread Size & Type
- Bottoming Chamfer Type
- HSS Material
- Bright Coating
features
- Ground threads are made from high speed steel
- Most common general-purpose taps used in the industry
| Pitch Dia. | H4 |
| Shank Square Width | 0.6 in |
| Thread Length | 2.5 in |
| Overall Length | 5.125 in |
| Thread Per Inch | 8 |
| Thread Limit | H4 |
| Ground Threads | Yes |
| Shank Square Length | 0.8125 in |
| Shank Square Length - Metric | 20.64 mm |
| Thread Size & Type | 1-8 UNC |
| Truncated Threads | No |
| Threads per Inch | 8 |
| Diameter - Decimal | 1 in |
| Diameter - Metric | 25.40 mm |
| Operation Type | Blind Hole, Thru-Hole |
| Thread Creation | Thread Cutting |
| Spiral Point | No |
| Diameter - Fraction | 1 in |
| Thread Tolerance | 2B |
| Thread Type | UNC |
| Thread Pitch | N/A |
| Blank Construction | USCTI Table 302A |
| Shank Size - Metric | 20.32 mm |
| Direction of Cut | Right Hand |
| Interrupted Thread | No |
| Thread Length - Metric | 63.5 mm |
| Chamfer Type | Bottoming |
| Material | HSS |
| Tap Size | 1 in |
| Shank End Feature | Square |
| Shank Square Width - Metric | 15.24 mm |
| Tap Type | Hand |
| No. of Flutes | 4 |
| Weight | 1.9 LB |
