Find a Service Center
- Inch
- 1/2-20 UNF Thread Size & Type
- Taper 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 Size & Type | 1/2-20 UNF |
| Interrupted Thread | No |
| Thread Pitch | N/A |
| Thread Length - Metric | 23.88 mm |
| Thread Size | 1/2 in |
| Thread Length | 0.94 in |
| Diameter - Decimal | 0.5 in |
| Tap Size | 1/2 in |
| Thread Per Inch | 20 |
| Pitch Dia. | H3 |
| Shank Size - Metric | 9.32 mm |
| Threads per Inch | 20 |
| Thread Creation | Thread Cutting |
| Ground Threads | Yes |
| Tap Type | Hand |
| Shank Square Width | 0.275 in |
| Shank End Feature | Square |
| No. of Flutes | 4 |
| Blank Construction | USCTI Table 302A |
| Material | HSS |
| Thread Type | UNF |
| Shank Square Width - Metric | 6.99 mm |
| Thread Limit | H3 |
| Thread Tolerance | 2B |
| Shank Square Length - Metric | 11.11 mm |
| Operation Type | Blind Hole, Thru-Hole |
| Truncated Threads | No |
| Spiral Point | No |
| Overall Length | 3.38 in |
| Shank Square Length | 0.4375 in |
| Chamfer Type | Taper |
| Diameter - Fraction | 1/2 in |
| Direction of Cut | Right Hand |
| Weight | 0.7 LB |
