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- Inch
- 1/4-18 NPS Thread Size & Type
- Semi-Bottoming Chamfer Type
- HSS Material
- Bright Coating
| Chamfer Type | Semi-Bottoming |
| Standard Projection | 0.459 in |
| Spiral Point | No |
| Overall Length | 2.4375 in |
| Shank Square Length - Metric | 11.11 mm |
| Direction of Cut | Right Hand |
| No. of Flutes | 4 |
| Blank Construction | USCTI Table 311 |
| Thread Type | NPS |
| Shank Square Width | 0.421 in |
| Diameter - Decimal | 0.25 in |
| Shank Square Width - Metric | 10.69 mm |
| Thread Length | 1.0625 in |
| Shank Square Length | 0.4375 in |
| Shank End Feature | Square |
| Ground Threads | Yes |
| Thread Size | 1/4 in |
| Diameter - Wire | E |
| Truncated Threads | No |
| Thread Size - Decimal | 0.25 in |
| Thread Size & Type | 1/4-18 NPS |
| Interrupted Thread | No |
| Tap Type | Pipe |
| Thread Length - Metric | 26.99 mm |
| Thread Per Inch | 18 |
| Diameter - Fraction | 1/4 in |
| Material | HSS |
| Thread Creation | Thread Cutting |
| Shank Size - Metric | 14.29 mm |
| Thread Size - Metric | 6.35 mm |
| Operation Type | Thru-Hole |
| Weight | 0.0 LB |
