Cobalt Drill Bit Set Home Depot. ‘cobalt’ bits are hss bits with cobalt in alloy. I was using bed frame angle iron as brackets and braces for a trailer i was assembling.
Ad usa manufacturer drilling supplies dth bits, hole openers, air hammers Sizes range from 1/16 to 3/8. The milwaukee® red helix™ 29 piece cobalt drill bit set is engineered for extreme durability and longer life in hard metal applications.
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The drill bits have quadedge tip™ to decrease heat buildup and drill. Superior drilling performance cobalt high speed steel (hss) precision ground from solid cobalt alloyed high speed steel for superior drilling performance. ★★★★★ ★★★★★ ( 186 ) product code: The irwin drill bit set offers 29 pieces ranging from size 1/16 inch to 1/2 inch.
