32.0mm Diameter x 4.8mm Thick Series #2 HSS (M4) Spade Drill Insert Hardslick
YG-1 Spade Drill Inserts – M4 High Speed Steel. For general purpose use most materials. High toughness for loose or manual machines. Series Y to Series 4 Have 132Deg Point Angle. Series 5 to Series 8 have 144Deg Point Angle.