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Century's cobalt drill bits are made from M35 steel with 5% cobalt and designed to cut through extremely hard metals including stainless steel. No center punch needed Century 135° quick-cut points are self centering and penetrate faster with less pressure will not walk or wander at the starting surface. Extremely heat resistant must be use and operated in power units that have a RPM speed of 1500 or more for maximum efficiency. 21 piece multi-purpose set. <ul><li>Made from M35 steel with 5% cobalt, Century's Cobalt drill bits are designed to cut through extremely hard metals, including stainless steel. </li><li>No center punch needed: Century's 135° quick-cut points are self-centering and penetrate faster with less pressure. Drill bit will not "walk" or "wander" at the starting point. </li><li>Extremely heat resistant, must be used and operated in power units that have a RPM speed of 1,500 or more for maximum efficiency. </li><li>Set includes: 1/16" to 3/8" by 64ths drill bits. </li></ul>

Century Drill 26321 - Cobalt Drill Bit 21 Piece Set - 135&#176; - 1/16" to 1/2" by 32nds

26321-cobalt-drill-bit-21-piece-set-135-1-16-to-1-2-by-32nds

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