13PCS Metal Drill Bit Sets,Drill Bits for Hard Steel, Drill Bit Set for Drilling
【Drill Bits Set 】There are 13PCS in one box of Hss Drill Bits, the sizes include: 1.5mm,2mm,2.5mm,3mm,3.2mm,3.5mm,4mm,4.5mm,4.8mm,5mm,5.5mm,6mm，6.5mm. 5% cobalt HSS M35 extends tool life. Straight shanks for firm clamping and precise centring.