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- Inch
- 1/2-20 UNF Thread Size & Type
- Semi-Bottoming Chamfer Type
- HSS (M4) Material
- Steam Oxide Coating
| Tap Type | Machine |
| Thread Size - Metric | 12.7 mm |
| Thread Creation | Thread Cutting |
| Shank Size - Metric | 9.32 mm |
| Truncated Threads | No |
| Spiral Point | No |
| Interrupted Thread | No |
| Finish | X-10 Treated |
| Overall Length | 3.375 in |
| Material | HSS (M4) |
| Thread Type | UNF |
| Thread Per Inch | 20 |
| Chamfer Type | Semi-Bottoming |
| Shank End Feature | Square |
| Shank Square Length - Metric | 11.11 mm |
| Shank Square Width - Metric | 6.99 mm |
| Thread Limit | H5 |
| Shank Square Width | 0.275 in |
| Thread Size | 1/2 in |
| Direction of Cut | Right Hand |
| Diameter - Fraction | 1/2 in |
| Pitch Dia. | H5 |
| No. of Flutes | 3 |
| Blank Construction | USCTI Table 302A |
| Ground Threads | Yes |
| Thread Size & Type | 1/2-20 UNF |
| Thread Pitch | N/A |
| Thread Tolerance | 2B-3B |
| Thread Size - Decimal | 0.5 in |
| Helix Angle | 40 |
| Diameter - Decimal | 0.5 in |
| Thread Length | 0.9375 in |
| Operation Type | Blind Hole |
| Shank Square Length | 0.4375 in |
| Threads per Inch | 20 |
| Tap Size | 1/2 in |
| Thread Length - Metric | 23.81 mm |
| Weight | 0.111 LB |
