Amazon: Four Spiral Flute Cobalt Step Drill Bit 1/8"-1/2", Wear-Resistant TiAlN Coated 1/4" Hex Shank Unibit Step Bit By KAKILFOB

【KAKILFOB M35 Four-groove Step Drill】Compared to ordinary step drills and double and three special flute step drills, the cobalt step drill has a unique four special flute...
【TiAIN Coating】TiAlN coating has excellent characteristics. As a new coating material, which can minimize the wear of the drill bit during each drilling process. It is...
【M35 Cobalt Material】M35 cobalt high-speed steel can be obtained by proper heat treatment with high hardness, high red hardness, and high wear resistance. It boasts higher...
【13 Step Size】 The specifications of step drills range from 1/8"-1/2": 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2". Each type of...
【135° Cutting Angle】When drilling hard materials, the angle of the drill tip is important. That’s why we designed our drills with a 135° cutting angle. This angle reduces...

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Save 50% on the current price above with promo code 50FK75SM, expires 1/20 while supplies last.

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