35mm Diameter x 4.8mm Thick, Series 2, HSS (M4) Spade Drill Insert TiN Coated

General purpose insert for most materials Not recommended for tool steels and high temperature alloys High toughness for loose or manual machines Point Angle  - 132 degree, (Series 5-8 : 144 degree)

1-5/32" Diameter x 3/16" Thick, Series 2, Flat Bottom Super Cobalt (T15) Spade Drill Insert TiN Coated

Increase wear resistance over M4For general use in carbon steel, steel alloys, stainless steel, cast iron, aluminum and non-ferrous Point Angle  - 180 degree

1-3/16" Diameter x 3/16" Thick, Series 2, Flat Bottom Super Cobalt (T15) Spade Drill Insert TiN Coated

Increase wear resistance over M4For general use in carbon steel, steel alloys, stainless steel, cast iron, aluminum and non-ferrous Point Angle  - 180 degree

1-7/32" Diameter x 3/16" Thick, Series 2, Flat Bottom Super Cobalt (T15) Spade Drill Insert TiN Coated

Increase wear resistance over M4For general use in carbon steel, steel alloys, stainless steel, cast iron, aluminum and non-ferrous Point Angle  - 180 degree

1-1/4" Diameter x 3/16" Thick, Series 2, Flat Bottom Super Cobalt (T15) Spade Drill Insert TiN Coated

Increase wear resistance over M4For general use in carbon steel, steel alloys, stainless steel, cast iron, aluminum and non-ferrous Point Angle  - 180 degree

1-9/32" Diameter x 3/16" Thick, Series 2, Flat Bottom Super Cobalt (T15) Spade Drill Insert TiN Coated

Increase wear resistance over M4For general use in carbon steel, steel alloys, stainless steel, cast iron, aluminum and non-ferrous Point Angle  - 180 degree