5 Pcs Step Drill Bit Set & 6 Pcs Countersink Bits, 11 in 1 HSS & Cobalt Nitriding Coated Drill Bits Kit, Four Spiral Flute Design for Metal, Aluminum, Wood, Plastic with Storage Case
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Product details
| Management number | 250359283 | Release Date | 2026/09/17 | List Price | US$14.80 | Model Number | 250359283 | ||
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- 【Efficient Step Drill Bit Set】：Includes 5 step drill bits made from high-quality High-Speed Steel (HSS). The surface features a nitriding treatment for enhanced hardness and wear resistance. The unique four-spiral flute design cuts smoother, faster, and removes chips more effectively compared to traditional straight flute step drills, effectively reducing vibration for more precise drilling
- 【Precision Countersink Drill Bit Set】：Equipped with 6 countersinks made from M35 Cobalt High-Speed Steel. The cobalt material provides excellent red hardness and toughness, easily handling hard metals like stainless steel. The five-flute design allows for automatic chip ejection, creating smooth, burr-free chamfers on hole edges, providing a perfect foundation for subsequent tapping or screw countersinking
- 【Wide Size Range & Precision Grinding】：This 11-piece set of nitrided step drills and countersink drills covers multiple sizes to meet various drilling needs. The set includes step drills in the following sizes: 3/16"-1/2" (6 steps), 1/8"-1/2" (13 steps), 1/4"-3/4" (9 steps), 3/16"-7/8" (12 steps), and 3/16"-1-3/8" (19 steps). Countersink Drill Bits sizes1/4'', ”3/8'', 1/2'', 5/8'', 3/4''.Countersink drill sizes: 1/4“, 3/8”, 1/2“, 5/8”, 3/4"
- 【Universal Hex Shank & Sturdy Storage】：All bits feature a standard 1/4-inch hex shank design, compatible with most power drills, screw guns, and drill presses for quick, slip-free changes. The included customized toolbox features a shockproof design with individual slots for each bit, making storage and transport easy, protecting the cutting edges, and preventing loss
- 【Versatile Application & Quality Commitment】：This versatile set is ideal for metalworking, electrical wiring, and woodworking projects, suitable for various materials like stainless steel, carbon steel, aluminum, wood, and plastic. We are committed to providing high-quality tools. If you have any questions, please feel free to contact us, and we will resolve them for you
| ASIN | B0GGBBSCPN |
|---|---|
| Model | TV-ZH0244BL-11 |
| Set Name | 11 in 1 HSS & Cobalt Nitriding Coated Drill Bits Kit |
| Brand Name | TVWVT |
| Shank Type | Hex |
| Unit Count | 11 Count |
| Part Number | TV-ZH0244BL-11 |
| Finish Types | Nitriding |
| Manufacturer | TVWVT |
| Material Type | High Speed Steel (HSS) |
| Tool Flute Type | Spiral |
| Number of Flutes | 4 |
| Number of Pieces | 11 |
| Included Components | step drill bit |
| Surface Recommendation | Metal, Plastic, Wood |
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