Find a Service Center
- Inch
- 1/2-20 UNF Thread Size & Type
- Semi-Bottoming Chamfer Type
- HSS-E Material
- Steam Oxide over Nitride Coating
| Interrupted Thread | No |
| Thread Per Inch | 20 |
| Thread Pitch | N/A |
| Pitch Dia. | H5 |
| Thread Type | UNF |
| Thread Creation | Thread Cutting |
| Thread Size - Metric | 12.7 mm |
| Operation Type | Blind Hole, Thru-Hole |
| Thread Size - Decimal | 0.5 in |
| Blank Construction | USCTI Table 302A |
| Threads per Inch | 20 |
| Chamfer Type | Semi-Bottoming |
| Shank Square Width | 0.275 in |
| Shank Square Length - Metric | 11.11 mm |
| Thread Size | 1/2 in |
| Spiral Point | No |
| Tap Size | 1/2 in |
| Thread Tolerance | 2B-3B |
| Thread Limit | H5 |
| Overall Length | 3.375 in |
| Thread Length - Metric | 23.81 mm |
| Direction of Cut | Right Hand |
| Ground Threads | Yes |
| Shank Square Length | 0.4375 in |
| Thread Size & Type | 1/2-20 UNF |
| Thread Length | 0.9375 in |
| Shank Square Width - Metric | 6.99 mm |
| Shank Size - Metric | 9.32 mm |
| Shank End Feature | Square |
| No. of Flutes | 4 |
| Material | HSS-E |
| Diameter - Decimal | 0.5 in |
| Truncated Threads | No |
| Diameter - Fraction | 1/2 in |
| Tap Type | Machine |
| Finish | X-20 Treated |
| Weight | 0.114 LB |
