Tag: CO18

Bosch CO18 18-Piece Cobalt Twist Drill Bit Assortment in Plastic Case

Bosch CO18 18-Piece Cobalt Twist Drill Bit Assortment in Plastic Case 18-piece cobalt drill bit set Resists up to 1100 degrees F in extra-hard materials 135-degree split point starts on contact, no walking or skating Overall bit hardness of 66-68…