Jk files & tools supplies a range of high-speed steel twist drills and tool bits. Stub series drills are straight shank ground flute drills. These are highly effective for use with hand drilling machine in drilling thin sections, sheet metal, car and bus bodies, etc. These can also be used in automatic and capstan lathes. The stub series drill range covers 1.0 mm to 4.00 mm [inches 3/64 to 1-1/2] with h8 tolerance. The manufacturing specifications conforming to is: 5100/din: 1897/bs: 328/iso. The stub series drills are available in blue finish, slow and quick helix and have the following features:
- finish - bright;
- point angle - standard 118° to 120°;
- right hand cutting and right hand normal helix;
