Century Drill 26214 - Cobalt Drill Bit - 135° - 7/32 x 3-3/4"Cobalt drills are designed to cut through extremely hard metals, including stainless steel. No 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 surface. Extremely heat resistant, must be used and operated in power units that have a RPM speed of 1.500 or more maximum efficiency. Aerospace NAS 907-J specifications.Specification: BRAND: Century Drill & ToolFRACTIONAL DIAMETER: 7/32"MATERIAL: CobaltFINISH: GoldFLUTE TYPE: Quick CutFLUTE LENGTH: 3-3/4"DRILL POINT ANGLE: 135 DegreesMANUFACTURERS PART NUMBER: 26214COUNTRY OF ORIGIN: Made in USA