2-7/16" Diameter x 5/16" Thick, 4 Series, SV-Point Premium Cobalt (M48) Spade Drill Insert H Coated

Sinusoidal thinning edge for smooth cuttingPositive rake angleFor use in high temperature alloys and materials over 350-500 Brinell Performs best in rigid setups Point Angle  - 132 degree, (Series 5-8 : 144 degree)

2-13/32" Diameter x 5/16" Thick, 4 Series, SV-Point Premium Cobalt (M48) Spade Drill Insert Hardslick Coated

Sinusoidal thinning edge for smooth cuttingPositive rake angleFor use in high temperature alloys and materials over 350-500 Brinell Performs best in rigid setups Point Angle  - 132 degree, (Series 5-8 : 144 degree)

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

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

2-9/32" Diameter x 5/16" Thick, 4 Series, SV-Point Super Cobalt (T15) Spade Drill Insert Hardslick Coated

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