M35 Cobalt Four Spiral Flute Step Drill Bits. Engineered with a four spiral groove and featuring an extensive range of sizes, you'll achieve faster, smoother cuts and effortless chip removal. M35 Cobalt Superhard High Speed Steel for optimal wear resistance and pressure resistance Firmer cutting, higher drilling accuracy, faster drilling, better chip removal. 【M35 HSS Step drill bits&TiAlN Coating】Ultra-high temperature heat treatment and Surface TiAlN coating treatment. Also suitable for drilling metal plates, aluminum plates, copper plates, wood, plastics, etc. M35 Step Bit Cobalt Unibit 3-Piece Cobalt Step Drill Bit Set - Titanium Coated, 1/8-7/8 Range, 1/4 Hex Shank For Metal, Wood & DIY Projects Impact Drill Cobalt Step Drill Bits Manufactured out of M35 high speed steel with cobalt, providing strength and durability, the bit design has balanced hardened edges and 1/4 in. hex shank that makes them compatible not only with cordless drills but also optimized for impact drivers Higher hardness, higher wear resistance and durability. 【Package Includes】2pcs 13 Step Drill Bit:Covering Sizes: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,Quick Change shank/Hex shank size :1/4,Step Height:5MM ,Total height 82MM TERMINATOR M35 SAE STEP DRILL SET - Drill Bit Warehouse 【Wide Application】Suitable for hand drill, table drill, please use flat drill mode, DON'T use impact and hammering mode;Recommended speed: 2000-5000RPM.
