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- Inch
- 1 3/8-6 UNC Thread Size & Type
- Plug Chamfer Type
- HSS Material
- Bright Coating
features
- Ground threads are made from high speed steel
- Most common general-purpose taps used in the industry
| Thread Creation | Thread Cutting |
| Shank End Feature | Square |
| Blank Construction | USCTI Table 302A |
| No. of Flutes | 4 |
| Thread Type | UNC |
| Interrupted Thread | No |
| Thread Per Inch | 6 |
| Truncated Threads | No |
| Thread Length | 3 in |
| Thread Size & Type | 1 3/8-6 UNC |
| Tap Size | 1 3/8 in |
| Shank Square Length | 1.0625 in |
| Thread Tolerance | 2B |
| Shank Square Width | 0.831 in |
| Shank Square Width - Metric | 21.11 mm |
| Threads per Inch | 6 |
| Diameter - Fraction | 1 3/8 in |
| Thread Size | 1 3/8 in |
| Shank Size - Metric | 28.14 mm |
| Direction of Cut | Right Hand |
| Thread Length - Metric | 76.2 mm |
| Overall Length | 6.0625 in |
| Pitch Dia. | H4 |
| Thread Pitch | N/A |
| Shank Square Length - Metric | 26.99 mm |
| Spiral Point | No |
| Operation Type | Blind Hole, Thru-Hole |
| Chamfer Type | Plug |
| Ground Threads | Yes |
| Tap Type | Hand |
| Diameter - Decimal | 1.375 in |
| Material | HSS |
| Thread Limit | H4 |
| Weight | 1.4 LB |
