Topline Drill Bit Set M42 Cobalt Fractional 1/16-1/2 29pcs Huot Index. High production grade M42 Cobalt Jobbers Length drills are made with 8% cobalt and are ground from a solid blank. This type of drill is used in high tensile material such as stainless and titanium. 1/16″ to 1/2″ by 64Ths, 29pc set. 135 degree split point. Ground from M-42 cobalt Solid Blank. Sturdy Huot USA drill index. Cutting Angle String: 135 Degrees. Brand: TopLine Cutting Tools. Package Dimensions? 8.35 x 4.17 x 1.77 inches; 1 Pounds. Item model number? 501-133. Date First Available? August 16, 2018. Best Sellers Rank: #629,282 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #1,873 in Jobber Drill Bits. #1,873 in Jobber Drill Bits. Customer Reviews: 5.0 5.0 out of 5 stars 9 ratings. Except on weekend or public holidays. We stand behind our products. Your receive the wrong item.