Toolmays 18-Step Step Drill Bit, M35 Cobalt
Product Description
Toolmays 18-Step Step Drill Bit, M35 Cobalt
- 18 Drilling Diameters in One：18 precision step sizes from 3/16" to 1-1/4" — covers 18 drilling diameters in one bit, so you don’t need multiple unibits for different hole sizes
- M35 COBALT HSS, BUILT TO LAST：Made from premium M35 high-speed steel with 5% cobalt — cuts through stainless steel sheet up to 3mm and other metals up to 5mm without dulling quickly
- NANO TiAlN COATING：Advanced nano-structured TiAlN coating provides heat resistance up to 1500°F, longer tool life than standard TiN coatings, and reduced friction for faster drilling speeds
- SPIRAL FLUTE FOR SMOOTH CHIPS：Deep double-helix spiral flute evacuates chips faster and reduces vibration — delivers cleaner holes with less chatter than straight-fluted step bits
- 3/8" TRI-FLATTED SHANK：Tri-flat shank locks securely into cordless drills, drill drivers, and bench drills to minimize slippage during high-torque metal drilling
Technical Specifications
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