Type |
Spiral pointed taps |
System of measurement |
Metric |
Individual/Set |
Individual |
Tap material |
High speed steel (HSS) |
Coating |
Oxide |
Thread type |
Whitworth |
Thread size |
1/4W20 |
Tap limit/ Class |
P3 |
Thread length |
15mm |
Chamfer type |
Taper |
Chamfer threads |
5P |
Flute type |
Spiral point |
Number of grooves/Flutes |
3 |
Direction of thread |
Clockwise (right-handed) |
Total length |
62mm |
Under-neck length (Thread+Neck lengh) |
26mm |
Shank diameter |
6mm |
Shank length |
33mm |
Drive type |
Square |
Drive part size |
4.5mm |
Drive part length |
7mm |
Hole type |
Through hole |
Overall diameter |
5mm |
Overall length |
62mm |
Representative standard |
JIS |