115 PCS HSS Cobalt Drill Bit Set HSS Sharp Hex Shank Drill

HSS Sharp Hex Shank Drill Bits

【Portable Storage Box】Tough and Stackable case with index design

Solid Connection and Tapered Web - The strong connection of drill bits and shank transfers maximum torque from drills to the tip of the drill bit without breakage

plastic and wood

Drill Bits

115 PCS HSS Cobalt Drill Bit Set HSS Sharp Hex Shank 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,