Product Description
1-11/16" Diameter x 1/4" Thick, Series 3, HSS (M4) Spade Drill Insert Hardslick 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)