Dormer High Speed Steel Drill Bit, 8.3 mm Head, 3 Flute(s), 90 °, 1 Piece(s)

Description

90° Tri-Flat Shank Countersink

Countersinks manufactured from premium quality high-speed steel for increased hardness/toughness, improved cutting edge strength and extended tool life. These counter sinks are designed for the production of 90° countersinks in most metals and features ground flats for positive location in 3-jaw chucks.