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⚡ Drill Smarter, Not Harder — The Ultimate Step Bit for Pros Who Demand Precision!
The STROTON 4-32mm Metric 5% Cobalt Step Drill Bit features 15 precise step sizes, crafted from premium M35 cobalt steel with a Rockwell hardness of 66-69 HRC. Designed for high heat and wear resistance, it delivers 2-3 times faster drilling through stainless steel, iron, aluminum, wood, PVC, and plastics. Its durable construction ensures a longer tool life, making it a cost-effective choice for professionals tackling tough materials.









| ASIN | B0886JKJMD |
| ASIN | B0886JKJMD |
| Best Sellers Rank | #27,266 in Automotive ( See Top 100 in Automotive ) #11 in Step Drill Bits #42 in Metalworking & Multi-purpose Drill Bits |
| Brand Name | STROTON |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,164) |
| Customer reviews | 4.5 4.5 out of 5 stars (1,164) |
| Cutting Angle String | 135 Degrees |
| Cutting Diameter | 32 Millimeters |
| Date First Available | 1 January 2024 |
| Finish Types | Brass |
| Item Dimensions | 14.8 x 7.2 x 4.1 centimeters |
| Item model number | Cobalt-15s-(4-32mm) |
| Manufacturer | STROTON |
| Manufacturer | STROTON |
| Material Type | Cobalt |
| Minimum Bore Diameter | 4 Millimeters |
| Model | Cobalt-15s-(4-32mm) |
| Number of Flutes | 1 |
| Number of Packs | 1 |
| Number of Pieces | 15 |
| Part Number | Cobalt-15s-(4-32mm) |
| Point Style | Taper Point |
| Product Dimensions | 14.8 x 7.21 x 4.1 cm; 209 g |
| Set Name | 4-32mm Metric Drill Bit 15 Steps |
| Shank Type | Straight |
| Surface Recommendation | Iron, Stainless Steel, Iron Plate, Aluminium, Wood, PVC, Plastic |
| Tool Flute Type | Spiral |
| UPC | 630808641435 |
| Unit Count | 1.0 Count |
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