Cobalt Drill Bit Set, 115Pcs M35 High Speed Steel Drill Bits, Twist Jobber Metal
Features of M35 Cobalt? : M35 cobalt drill bit set can effectively drill rigid and high-tensile strength materials. It can also be used in soft materials. HSS Drill Bie Sets? : HSS cobalt drill set is suitable for hardened steel and has excellent cutting performance.