29 Pc. Pro Grade Cobalt Drill Bit Set Manufacturer: CENTURY DRILL Availability: 10000 in stock SKU: CEN26529 Manufacturer part number: 26529 UPC: 081838265298 Call for pricing Qty: Buy Now Custom wishlist OK Add to wishlist Add to compare list Email a friend Set includes 1/16" to 1/2" by 64ths drill bitsMade from M42 steel with 8% cobalt, Century’s Cobalt drill bits are designed to cut through extremely hard metals, including stainless steelNo center punch needed: Century 135-degree quick-cut points are self-centering and penetrate faster with less pressure…will not “walk” or “wander” at the starting surfaceExtremely heat resistant, must be used and operated in power units that have a RPM speed of 1,500 or more for maximum efficiency Overview Attachments Reviews Set includes 1/16" to 1/2" by 64ths drill bitsMade from M42 steel with 8% cobalt, Century’s Cobalt drill bits are designed to cut through extremely hard metals, including stainless steelNo center punch needed: Century 135-degree quick-cut points are self-centering and penetrate faster with less pressure…will not “walk” or “wander” at the starting surfaceExtremely heat resistant, must be used and operated in power units that have a RPM speed of 1,500 or more for maximum efficiency