Product Profile of Drill, Jobber Series
JK Files & Tools supplies a range of high-speed steel twist drills and tool bits. Jobber Series drills are standard straight shank ground flute drills for general purpose application on steel and cast steel, alloyed and non-alloyed, grey cast iron, German silver steel, graphite, etc. It is available in blue finish, slow and quick helix. The range covers: 0.5 mm to 16.0 mm [inches 1/32 to 5/8] with h8 tolerance. The Jobber series drills have the following features:
- Finish - bright;
- Point angle - standard 118? to 120?;
- Right hand cutting and right hand normal helix;
Its manufacturing specifications is conforming to IS: 5101/DIN: 338/BS: 328/ISO.
