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
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Product details
| Management number | 221269414 | Release Date | 2026/05/03 | List Price | US$17.18 | Model Number | 221269414 | ||
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| Category | |||||||||
- 【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 1100°F (600°C). 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.
| Set Name | 34-Piece Set |
|---|---|
| Brand Name | ENBMEI |
| Shank Type | Hex |
| Unit Count | 34.0 Count |
| Part Number | M35-Step Drill Bit |
| Finish Types | Titanium Aluminum Nitride |
| Manufacturer | ENBMEI |
| Material Type | Cobalt Steel |
| Tool Flute Type | Spiral |
| Number of Flutes | 4 |
| Number of Pieces | 34 |
| Included Components | M35 1/8"-7/8"(3 pcs) |
| Cutting Angle String | 118 Degrees |
| Surface Recommendation | Aluminum, Plastic, Stainless Steel, Wood |
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