MulWark Four Spiral Flute Cobalt Step Drill Bit
US$6.80
Price when purchased online
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Sold and shipped by kiwi-iserlohn.de
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US$6.80
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by kiwi-iserlohn.de
Free 30-day returns Details
Product details
| Management number | 247381086 | Release Date | 2026/08/16 | List Price | US$6.80 | Model Number | 247381086 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- Complete Industrial Sizing System：Comprehensive set includes 13-step (1/8"-1/2") great for electronics enclosures, 12-step（3/16" to 7/8"）suitable for combination of range and density, 9-step (1/4"-3/4") for machinery assembly and oversize 4-step (up to 1-3/8") for industrial equipment.
- Industrial-Grade Durability：Engineered with premium M35 high-speed steel, our unibit step drill bits withstand rigorous factory production line use. Proven to maintain peak performance through 8+ hours of continuous drilling on hardened steel, stainless steel, and industrial metal sheets - reducing downtime for tool replacement.
- 89HRC3 Coating for Heavy-Duty Protection：The industrial aluminum nitride coating (89HRC3 hardness) delivers superior heat resistance for extended drilling sessions. Ideal for high-volume stainless steel part manufacturing, maintaining sharpness through 500+ holes to minimize consumable replacement costs.
- Precision Engineering for Mass Production：118° split-point design with self-centering action enables rapid hole positioning - perfect for automotive components and machinery parts manufacturing. Hex shank compatibility with all industrial power tools increases production output to 300+ precision holes per shift.
- Multi-Process Manufacturing Solution：Four-flute spiral design efficiently clears metal chips during continuous operation. Works seamlessly with HVAC systems, electrical panels, and plumbing installations. Includes magnetic step drill bits for improved metalworking efficiency.
| UPC | 850030910950 |
|---|---|
| ASIN | B0BXL2CKNT |
| Set Name | Step Drill Bit Set |
| Brand Name | MULWARK |
| Shank Type | Hex |
| Unit Count | 1 Count |
| Part Number | MLK-53838 |
| Point Style | Split Point |
| Finish Types | Titanium |
| Manufacturer | Mulwark |
| Material Type | Cobalt |
| Number of Packs | 1 |
| Tool Flute Type | Spiral |
| Cutting Diameter | 0.5 inches |
| Number of Flutes | 4 |
| Number of Pieces | 4 |
| Included Components | Step Drill bit set |
| Cutting Angle String | 118 degrees |
| Surface Recommendation | Metal,Stainless Steel |
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