Jobber - Wire Sizes

 BlackGold - 137° Split Point Black oxide surface treated with gold color temper Precision CNC machined for faster, more efficient chip removal Aggressive web taper prevents breakage for more holes per drill bit Split point tip penetrates surface on contact and prevents drill bit "walking" (#1 to #52) Shorter, stronger cutting lip for easier drilling and longer life Heavy taper with narrow tip for quick starts without sacrificing the structure Engineered for less torque and lightens operator load Tri-flat shank on #1 thru #12 drill bits Industrial-grade NAS High Speed Steel (HSS) Available and priced in 12 pack quantities Material applications: steel (low and medium carbon), steel alloy, stainless steel, strength alloys   WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.