31mm Diameter x 4.8mm Thick, Series 2, Carbide C3 (K10) Spade Drill Insert TiN Coated

31mm Diameter x 4.8mm Thick, Series 2, Carbide C3 (K10) Spade Drill Insert TiN 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