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Heavy-duty construction for drilling in tougher materials. Manufactured from premium high-speed steel. 135° P3 split point is self-centering for reduced thrust and easier penetration. Sizes smaller than .0625" do not have split point. Black oxide surface finish increases wear resistance and adds lubricity, improving chip flow. For drilling in stainless steel, tool steel, alloy steel and cast iron.

Chicago-Latrobe 150ASP Series 21PC HSS Black Oxide Heavy-Duty Jobber Drill Set 1/16-3/8x1/64

150asp-series-21pc-hss-black-oxide-heavy-duty-jobber-drill-set-1-16-3-8x1-64

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