EZARC Step Drill Bit for Metal, M35 Cobalt Step Drill Spiral Flute Unibit Step Drill Bit (3/16''-7/8'') Wear-Resistant AlTiN Coated, 1/4" Hex Shank for Metal, Stainless Steel, Aluminum, Plastic

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  • C-Profile Design EZARC step drill bits feature a triple-flute design for increased stability, effectively reducing deviation during the cutting process. Additionally, the 'C-profile' cutting edge ensures smoother cutting and an increased cutting speed
  • M35 HSS Step Drill M35 cobalt high-speed steel, through heat treatment, achieves toughness and bending strength that surpass standard high-speed steel, making this step drill bit more suitable for cutting hard materials
  • Twelve Step Sizes Spiral flute design offers seamless and effective drilling across various thicknesses, eliminating the need for multiple bits. Includes 3 16", 1 4", 5 16", 3 8", 7 16", 1 2", 9 16", 5 8", 11 16", 3 4 , 13 16", 7 8"
  • Please Note Material thickness Suitable for metal sheet up to 1 8" (3 mm) thick and stainless steel sheet up to 1 mm thick. Add cutting oil or use coolant during continuous operation. Due to the larger cutting angles, the startup speed may be slower

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