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- Inch
- 3 Pieces
- 1/2-20 UNF Thread Size & Type
- Taper-Plug-Bottoming Chamfer Type
- HSS Material
features
- Ground threads are made from high speed steel
- Most common general-purpose taps used in the industry
includes
- One each - taper, plug, and bottoming
- A set of all three is recommended when tapping to the bottom of a blind hole.
| Thread Type | UNF |
| Pitch Dia. | H3 |
| Shank Square Length | 0.4375 in |
| Shank End Feature | Square |
| Chamfer Type | Taper, Plug, Bottoming |
| Thread Pitch | N/A |
| Shank Square Width - Metric | 6.99 mm |
| Direction of Cut | Right Hand |
| Blank Construction | USCTI Table 302 |
| Tap Size | 1/2 in |
| Threads per Inch | 20 |
| Shank Square Length - Metric | 11.11 mm |
| Diameter - Fraction | 1/2 in |
| Spiral Point | No |
| Operation Type | Blind Hole, Thru-Hole |
| Shank Size - Metric | 9.32 mm |
| Diameter - Decimal | 0.5 in |
| Ground Threads | Yes |
| Tap Type | Hand |
| Overall Length | 3.375 in |
| Thread Size - Metric | 12.7 mm |
| Thread Per Inch | 20 |
| Thread Length - Metric | 23.88 mm |
| Thread Size - Decimal | 0.5 in |
| Thread Creation | Thread Cutting |
| No. of Flutes | 4 |
| Thread Limit | H3 |
| Thread Size | 1/2 in |
| Truncated Threads | No |
| Interrupted Thread | No |
| Shank Square Width | 0.275 in |
| Weight | 0.4 LB |
