EZARC Step Drill Bit for Metal, M35 Cobalt Step Drill Spiral Flute Unibit Step Drill Bit (1/4''-3/4'') Wear-Resistant AlTiN Coated, 1/4" Hex Shank for Metal, Stainless Steel, Aluminum, Plastic
- 【C-Profile Design】EZARC step drill bits feature a triple-flute design for increased stability, effectively reducing deviation during the cutting process. Additionally, the...
- 【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...
- 【AlTiN Coating】Step bits coated with aluminum titanium nitride, rated at 89HRC for exceptional hardness and thermal properties. This coating offers superior resistance to heat...
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