drill bits & sets
5 piece jobber length carbide tip drill bit set
p strong features and benefits strong p ul li carbide tipped and made for use in drilling hardened steel in the range of 48 to 65 rockwell c li li holes may be drilled without annealing or appreciably changing the structure of the material li ul p this drill bit can be used for drilling broken studs spring bolts die sections broken easy outs extra tough metals exotic metals brake drums and broken taps . sizes include 1 8 3 16 1 4 5 16 x 4 3 8 x 4 . p