Photo of 1/2" cobalt drill bit by TTP HARD drills

1 2 Drill Bit

The TTP HARD Cobalt 1/2″ Drill Bit is designed for the easier drilling of harder metals including Stainless Steel.

With 5% Cobalt it will resist excessive heat build up.

The 135° Split Point has two additional edges ground into the chisel edgewhich makes the entire point oof the drill bit one long cutting edge.

Reduced pressure required in drilling due to 135° split point.

Our 1/2 inch drill bits have been tested and certified for hardness.