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 studs & socket screws from

studs & socket screws from medium to hard metals

Four flute geometry ensures efficient dust removal while retaining a solid engineered heavy duty core the length of the drill to prevent bending and breakage

Metric Coarse angle of thread is 60 degrees

Re-cut your hole using a new size hole saw

albeit with a reduced tool life

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 studs & socket screws fromBordo 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