Product Description
1-13/16" Diameter x 1/4" Thick, Series 3, 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)