WORKPRO 5PCS Countersink Drill Bit Set, Adjustable 4-Flute Bits
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- M2 HIGH SPEED STEEL - Crafted from premium M2 HSS, these countersink drill bits deliver exceptional hardness and wear resistance for long-lasting performance. Perfect for precise drilling in wood, PVC and plastic.
- VERSATILE 5-PACK SIZES - This 5-pack countersink drill bit includes #4 (7/64 in), #6 (9/64 in), #8 (11/64 in), #10 (3/16 in), and #12 (7/32 in) sizes to handle various drilling needs.
- PRECISION 4-FLUTE DESIGN - Each countersink drill bit features a 4-flute chamfer cutter, ensuring clean, burr-free finishes. Great for professional woodworking and DIY projects.
- ADJUSTABLE DRILL LENGTH – Easily customize bit depth by tightening the countersink to your desired length using the included hex wrench.
- WIDE APPLICATION – Suitable for drilling and countersinking in wood, plywood, PVC, and plastic materials. Ideal for carpentry, cabinetry, and home repairs.
Estimated shipping
Select a product to estimate shipping.Made from M2 high speed steel, the drill bit has exceptional hardness, wear resistance, and long-lasting cutting performance in wood, PVC, and plastic.
The product contains #4, #6, #8, #10, #12 countersink drill bits and one hex shank.
Four cutting flutes ensure smoother, cleaner, and burr-free holes, improving workpiece finish and reducing sanding needs.
The product comes with a 1/8" hex key for easy drill bit length adjustment, ensuring precise countersinking depth for various projects.
Application Scenario
Countersink drill bits conceal screw heads, improve fastening security, and increase overall work efficiency.
Product details







| Main Specification | |
|---|---|
| Surface Recommendation | Wood or Plastic or Pvc |
| Manufacturer | HANGZHOU GREATSTAR INDUSTRIAL CO.,LTD |
| Unit Count | 5 Count |
| Shank Type | Hex |
| Tool Flute Type | Spiral |
| Brand | Workpro |
| UPC | 820909617846 |
| Number of Pieces | 5 |
| Product information | |
| Number of Packs | 1 |
| Set Name | 5-Pack Countersink Drill Bit Set |
| Technical Details | |
| Part Number | W124827AE |
| Model | W124827 |
| Material Type | High Speed Steel (HSS) |
| Number of Flutes | 4 |
| Style | |
| Finish Types | Uncoated |
| Others | |
| Item Highlight | #8 or #10 or 1/4" Hex Shank or Sizes #4 or #6 or #12 or Clean Countersinks or High-Speed Steel or Adjustable Depth or Wood & PVC Projects |
| Product Type | Countersink Drill Bits |





