- Inch
- 3 Pieces
- 1/4-20 UNC 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 Per Inch | 20 |
Spiral Point | No |
Thread Pitch | N/A |
Shank End Feature | Square |
Shank Size - Metric | 6.48 mm |
Thread Size - Decimal | 0.25 in |
Operation Type | Blind Hole, Thru-Hole |
Shank Square Length | 0.3125 in |
Chamfer Type | Taper, Plug, Bottoming |
Shank Square Width - Metric | 4.85 mm |
Tap Type | Hand |
Pitch Dia. | H3 |
No. of Flutes | 4 |
Shank Square Length - Metric | 7.94 mm |
Thread Creation | Thread Cutting |
Overall Length | 2.5 in |
Diameter - Wire | E |
Tap Size | 1/4 in |
Thread Size - Metric | 6.35 mm |
Threads per Inch | 20 |
Thread Type | UNC |
Direction of Cut | Right Hand |
Thread Limit | H3 |
Ground Threads | Yes |
Interrupted Thread | No |
Thread Length - Metric | 16 mm |
Blank Construction | USCTI Table 302 |
Diameter - Fraction | 1/4 in |
Shank Square Width | 0.191 in |
Diameter - Decimal | 0.25 in |
Truncated Threads | No |
Thread Size | 1/4 in |
Weight | 0.1 LB |