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Heavy-duty construction for drilling in tough, high-tensile and work-hardening materials under extreme operating conditions. Manufactured from premium cobalt high-speed steel, increasing hot hardness and extending drill wear life. 135&#176; P3 split point is self-centering for reduced thrust and easier penetration. Sizes smaller than .0625" do not have split point. Metric sizes are manufactured to DIN 338 OAL and flute length specifications. TiN (Titanium nitride) coating adds lubricity and hardness, enhancing chip flow, finish hole quality and drill life. For drilling in stainless steel, tool steel and alloy steel. Made In USA. Pack Of 12. 30 Day Warranty.

Chicago-Latrobe 550-TN #30 Cobalt Heavy-Duty TiN 135 Split Point Jobber Length Drill - Pkg Qty 12

550-tn-30-cobalt-heavy-duty-tin-135-split-point-jobber-length-drill

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