Detailed Description
Cobalt Drill Bit; Size: 25/64 Inch; Decimal Equivalent: 0.391 Inch; Overall Length: 5 Inch; Cobalt drills are designed to cut through extremely hard metals, including stainless steel. No center punch needed: Century’s 135* Quick Cut Points are self-centering & penetrate faster with less pressure, will not “walk” or “wander” at the starting surface. Extremely heat resistant, must be used & operated in power units that have a RPM speed of 1,500 or more for maximum efficiency. Aerospace NAS 907-J specifications.
Brand Information
Since 1940, Century Drill & Tool Corporation has offered industrial-quality hand tools and power tool accessories for both professional and do-it-yourself mechanics. With screwdriver sets, measuring tools, weld cutters, drill bits, brushes, and more, Century is confident there is an economical, durable solution to most any project. With multi-language product information, detailed illustrations, and color-coded quality indicators, choosing the best product is simple with Century Drill & Tool.
