Type |
Spiral fluted taps |
System of measurement |
Metric |
Individual/Set |
Individual |
Tap material |
High speed steel (HSS) |
Coating |
Oxide |
Thread type |
Unified |
Thread size |
1/4-20UNC |
Applicable drill bit |
0.201" |
Tap limit/ Class |
P2 |
Thread length |
15mm |
Chamfer type |
Taper |
Chamfer threads |
2.5P |
Flute type |
Spiral |
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 |
Driving part type |
Square |
Shank head size |
4.5mm |
Shank head length |
7mm |
Hole type |
Blind hole |
Overall diameter |
5mm |
Overall length |
62mm |
Representative standard |
JIS |