JK HSS Stub Series Drill Bit

Range: 1.0 mm to 40.0 mm (inches 3/64  to 1 ½) with h 8 tolerance

Manufacturing Specifications:

Conforming to IS: 5101/ DIN: 338/ BS: 328/ I.S.O

Materials

• M2 — standard application
• M35 — 5% Cobalt for Industrial application on high productive machines
• M42 — 8% Cobalt for difficult to drill/ machine materials

Point angle:

• Standard 118 deg.
• Range from 115 deg. to 140 deg.
• Right hand cutting and right hand normal helix

Point Designs: Standard, 4Facet, Spiral, Centre Point

Surface Treatment: Bright (uncoated), Steam oxide, Nitride, Tin coated

Additional Information