3 FLUTE COUNTERSINKS 5/16 X82DEG - 20.1780.020

Brand:
KARNASCH

Features:
• The extremely sharp cutting edges of Karnasch high-performance conical burrs are the result of CBN grinding of the deep flutes.
This ensures excellent chip removal, chatter-free operation, scratch-free surfaces, and better centering.
• Diameter is radially adjusted by CBN grinding.
Result: the cutting edge is always the highest point.
• Unlike milled grooves, CBN grinding of the flutes produces significantly smoother and sharper cutting edges.
Result: superior cutting performance and longer tool life.
• Each diameter is radially adjusted by CBN grinding.
Result: the cutting edge is always the highest point.
• The back taper produced by CBN grinding leads to smooth cutting at low temperatures.
• 3 flats on the shank provide excellent torque transmission, prevent slippage in the drill chuck, and result in superior cutting efficiency.

Specifications:
• Made from highly alloyed special steel “XE” for significantly longer life than HSS steel:
- Stainless V2A
- Steel
- Cast iron
- Non-ferrous metals
• Diameter: 5/16 in
• Length: 1 31/32 in
• Shank: 1/4 in

**Photo for reference**