115 PCS HSS Cobalt Drill Bit Set They are ideal metal drill

They are ideal metal drill bits for steel

repairs and operations

Sharp Cutting Edge - HIGHFIRE hex shank drill bit set has accurate tip geometry which ensures cutting edge sharp and strong

60 pcs wire sizes from #1 to #60

【Wide Application】Precision-ground teeth deliver faster

115 PCS HSS Cobalt Drill Bit Set They are ideal metal drill115 PCS HSS Cobalt Drill Bit Set, Twist Jobber Drill Bits Set, 135 Degree Split Point, Fractional 1 16" 1 2", Letter A Z, Wire #1 #60 with Metal Indexed Storage Case COBALT JOBBER DRILL BITS: 115 pcs high speed steel with 5% cobalt drill bit set can resist high heat abrasion while drilling. M35 cobalt HSS twist drill bits is more suitable for hardened working material. Particularly adapt to drilling stainless steel, cast iron, high temperature alloy,