Fractional HSS-Co5 (Cobalt) 1/2” Reduced Shank Step Tip Drill Fractional HSS-Co5 (Cobalt) 1/2” Reduced Shank Step Tip Drill:3/4" HSS-Co5 (Cobalt) 1/2” Reduced Shank Step Tip Drill grinding wheels or belts

grinding wheels or belts

extended blade life and safer cutting

albeit with a reduced tool life

They do not require calibration

Fractional HSS-Co5 (Cobalt) 1/2” Reduced Shank Step Tip Drill Fractional HSS-Co5 (Cobalt) 1/2” Reduced Shank Step Tip Drill:3/4" HSS-Co5 (Cobalt) 1/2” Reduced Shank Step Tip Drill grinding wheels or beltsBordo Fractional Cobalt Tough HSS Co5 Step Tip Extreme Performance Reduced Shank Drill. Super fast drilling in ferrous & non ferrous metals and all timbers. Step Tip negates the need for a pilot drill in metals and provides extreme drilling speeds in ferrous and non ferrous metals & all timbers. Flatted shank ensures no chuck slip maximising torque transfer for fast drilling. Cobalt HSS Twist drills are extremely hard and provide superior performance