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- Inch
- 1/4-28 UNF Thread Size & Type
- Semi-Bottoming Chamfer Type
- HSS-E Material
- TiAlN Coating
| Blank Construction | DIN/ANSI |
| Material | HSS-E |
| Thread Length | 1.26 in |
| Helix Angle | 38 |
| Thread Size | 1/4 in |
| Shank End Feature | Square |
| Shank Square Width | 0.191 in |
| Thread Type | UNF |
| Diameter - Decimal | 0.25 in |
| Shank Square Length - Metric | 7.87 mm |
| No. of Flutes | 3 |
| Thread Creation | Thread Cutting |
| Thread Length - Metric | 32 mm |
| Tap Type | Machine |
| Diameter - Wire | E |
| Shank Size - Metric | 6.48 mm |
| Thread Size - Metric | 6.35 mm |
| Thread Per Inch | 28 |
| Chamfer Type | Semi-Bottoming |
| Thread Size - Decimal | 0.25 in |
| Interrupted Thread | No |
| Ground Threads | Yes |
| Overall Length | 3.1496 in |
| Shank Square Width - Metric | 4.85 mm |
| Shank Square Length | 0.31 in |
| Spiral Point | No |
| Direction of Cut | Right Hand |
| Truncated Threads | No |
| Thread Tolerance | 2B |
| Diameter - Fraction | 1/4 in |
| Thread Size & Type | 1/4-28 UNF |
| Operation Type | Blind Hole |
| Weight | 0.0 LB |
