15/16" Diameter x 3/16" Thick, Series 2, Carbide C3 (K10) Spade Drill Insert TiAlN Coated

Cast Iron Genometry Increase wear resistance over M4 and T15 high performance in Gray cast iron over 220 Brinell, malleable cast iron with short chips, silicon aluminum and coppor alloys Point Angle  - 132 degree

1-1/8" Diameter x 3/16" Thick, Series 2, Premium Cobalt (M48) Spade Drill Insert Hardslick 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