15 Piece Cobalt Quick Change Hex Shank Drill Bit Set 1/16" - 1/2" Plastic Case BoltsandNuts.com Jobber length drill blanks are

Jobber length drill blanks are precision-ground cylindrical rods made from high-speed steel (HSS)

150g of Premium Insulation

Tekton heat-treated S2 steel bits are press-fit into the socket for a straight

Size 7/16"-20

15 Piece Cobalt Quick Change Hex Shank Drill Bit Set 1/16" - 1/2" Plastic Case BoltsandNuts.com Jobber length drill blanks areProduct Description COHEX Quick Change Cobalt 15 Piece Drill Bit Set contains sizes 1 16" 1 2". These Drill Bits are designed for use in hand held and impact drills. Cobalt Drill Bits are effective in drilling tough, high tensile strength materials and display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed. These drill bits have a 135 split point tip for fast penetration and accurate drilling and a 1 4" Hex