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Provides 3X more durability than conventional TiN\/AlCrN coatings for smoother, longer-lasting performance.\u003c\/li\u003e\n \u003cli\u003e4-Spiral Flute Design for Effortless Drilling Self-cleaning grooves prevent clogging while laser-sharpened edges deliver burr-free holes. Cuts faster with minimal vibration, even in thick metals (up to 1\/4\" per step).\u003c\/li\u003e\n \u003cli\u003e34 Sizes in One Versatile Set Includes 34 step bits (1\/8\"-7\/8\") with laser-etched size markings. Perfect for electrical work, HVAC, DIY projects, and professional metalworking. Replaces multiple drill bits with one unibit.\u003c\/li\u003e\n \u003cli\u003ePrecision Ground Cutting Edges Laser-calibrated tip geometry ensures 0.1mm drilling accuracy for perfect round holes every time Micro-polished cutting edges eliminate burrs on both entry and exit surfaces Matched with 118 universal point angle for versatile material penetration\u003c\/li\u003e\n \u003cli\u003eErgonomic Hex Shank Design 1\/4\" hex shaft fits all standard drills, impact drivers and magnetic holders Knurled grip zone prevents bit slippage during high-speed operation\u003c\/li\u003e\n \u003cli\u003e100-Day Risk-Free Guarantee Backed by a 100-day warranty - instant replacement or refund if your step bit breaks. 24\/7 US-based support with 12-hour response time.\u003c\/li\u003e\n \u003c\/ul\u003e"}
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M35 Cobalt Step Drill Bit Set, TiAlN Coated Unibit Metal Hole Cutter 1/8"-7/8"(3pcs), High Speed Steel with 4 Spiral Flutes, Hex Shank for Stainless Steel, Wood, Plastic 1/8"-7/8"(3 pcs)

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M35 Cobalt Step Drill Bit Set, TiAlN Coated Unibit Metal Hole Cutter 1/8"-7/8"(3pcs), High Speed Steel with 4 Spiral Flutes, Hex Shank for Stainless Steel, Wood, Plastic

Product Features

  • Industrial M35 Cobalt Steel Construction Made of premium ISI M35 high-speed steel with 5% cobalt for extreme heat resistance and 3X longer lifespan vs standard HSS bits. 50% harder than titanium coatings, effortlessly drills through stainless steel, aluminum, and hardwoods.
  • TiAlN Nano-Coating Technology Advanced TiAlN coating reduces friction by 40% and withstands temperatures up to 1100F (600C). Provides 3X more durability than conventional TiN/AlCrN coatings for smoother, longer-lasting performance.
  • 4-Spiral Flute Design for Effortless Drilling Self-cleaning grooves prevent clogging while laser-sharpened edges deliver burr-free holes. Cuts faster with minimal vibration, even in thick metals (up to 1/4" per step).
  • 34 Sizes in One Versatile Set Includes 34 step bits (1/8"-7/8") with laser-etched size markings. Perfect for electrical work, HVAC, DIY projects, and professional metalworking. Replaces multiple drill bits with one unibit.
  • Precision Ground Cutting Edges Laser-calibrated tip geometry ensures 0.1mm drilling accuracy for perfect round holes every time Micro-polished cutting edges eliminate burrs on both entry and exit surfaces Matched with 118 universal point angle for versatile material penetration
  • Ergonomic Hex Shank Design 1/4" hex shaft fits all standard drills, impact drivers and magnetic holders Knurled grip zone prevents bit slippage during high-speed operation
  • 100-Day Risk-Free Guarantee Backed by a 100-day warranty - instant replacement or refund if your step bit breaks. 24/7 US-based support with 12-hour response time.