1-1/16" Diameter x 3/16" Thick, Series 2, Carbide C3 (K10) Spade Drill Insert TiN Coated

Cast Iron GenometryIncrease wear resistance over M4 and T15high performance in Gray cast iron over 220 Brinell, malleable cast iron with short chips, silicon aluminum and coppor alloysPoint Angle  - 132 degree

1-7/64" Diameter x 3/16" Thick, Series 2, Premium Cobalt (M48) Spade Drill Insert TiAlN Coated

Increased tool life over T15 For use in high temperature alloys and materials including medium carbon, Alloy and tool steels Rigid set up needed Point Angle  - 132 degree