5 Pack Step Drill Bit & 5 Pack Countersink Drill Bit Set, 50 Sizes HSS Titanium Coated Bits for Metal, Stainless Steel, Aluminum, Wood & Plastic with Aluminum Storage Case for DIY
Product details
| Management number | 221102492 | Release Date | 2026/05/03 | List Price | US$10.00 | Model Number | 221102492 | ||
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- 【50-in-1 Ultimate Set: Steps, Countersinks & Punch】This professional kit includes 5 step drill bits, 5 countersink bits, and 1 center punch, covering over 50 sizes from 1/8” to 1-3/8”. It’s the complete step drill bit set for metal, wood, and plastic
- 【4241 HSS with Titanium Coating】Each bit is crafted from durable high-speed steel and enhanced with a titanium nitride coating. This combination provides superior heat and abrasion resistance, ensuring lasting sharpness and cleaner cuts through a wide range of materials
- Precision Design】The included 5-piece countersink bit set is designed for creating 90° seats for screws in wood and soft metal. Meanwhile, the step drills feature a 118° split point tip and double-flute design, which increases cutting speed with self-centering to prevent walking, and clears chips faster for a smoother operation
- 【Tri-Flat Shank & Straight Flute Design】The three-flat (tri-flat) shank offers maximum anti-slip grip in drill chucks, even under high torque. Paired with a robust two-flute straight groove design, it provides stable chip removal and consistent performance in thin-gauge metal, aluminum, and plastic
- 【Sturdy Aluminum Case】All 11 professional tools are securely housed in a compact, portable aluminum case with protective foam inserts. This keeps your kit organized, protected from damage
| Set Name | 11PC Drill Bit Set |
|---|---|
| Brand Name | OSTTE |
| Shank Type | 3-Flat |
| Unit Count | 11.0 Count |
| Part Number | 11BTCKZ-H4241TFBAUS |
| Finish Types | Titanium Nitride |
| Manufacturer | OSTTE |
| Material Type | High Speed Steel (HSS) |
| Item Dimensions | 2 x 2 x 2 inches |
| Tool Flute Type | Twist |
| Number of Flutes | 2 |
| Number of Pieces | 11 |
| Cutting Angle String | 118 Degrees |
| Surface Recommendation | Aluminum, Metal, Plastic, Wood |
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