Cobalt Drill Bit Set 29pc Triumph Thunderbit 99822
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Cobalt Drill Bit Set 29pc Triumph Thunderbit 99822
Triumph Cobalt Drill Bit Sets are available in 29pc, 15pc and 13pc versions in steel indexes.
$249.95
Triumph Thunderbit 29pc cobalt drill bit set in folding steel index. M-35 cobalt steel sets made for difficult drilling applications in tough alloys like stainless steel! Bronze oxide finish for lubricity, easy starting 135 deg split point, heavy web construction. Sizes 1/16″ thru 1/2″ by 64ths.
Made by a quality US manufacturer!
29pc set 99822, 15pc set 99826, 13pc set 99823
Additional Info:
Cobalt drills will cut harder material than high speed steel drills but because cobalt is harder it is more brittle.