2-5/16″ Diameter x 5/16″ Thick, Series 4, SV-Point Super Cobalt (T15) Spade Drill Insert H Coated

2-5/16″ Diameter x 5/16″ Thick, Series 4, SV-Point Super Cobalt (T15) Spade Drill Insert H Coated

• Sinusoidal thinning edge for smooth cutting
• Positive rake angle
• For use in high nickel alloys materials over 280 Brinell
• Performs best in rigid setups
• Point Angle  – 132 degree, (Series 5-8 : 144 degree)