9 Pieces Countersink Drill Bit Set, 5 Sizes Two-Flute Tapered HSS Drill Bits with Adjustable Depth Stop Collar and Wrench, Woodworking Tools for Screw Pilot Holes in Softwood Hardwood MDF
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- Premium High-Speed Steel Construction:Crafted from high-speed steel (HSS), this countersink drill bit set maintains good sharpness and wear resistance for everyday woodworking tasks. The precision-ground spiral design produces clean, smooth pilot holes and countersinks, making it a reliable choice for DIY and professional use
- Adjustable Depth Stop Collar with Anti-Scratch Design: Equipped with a precision-engineered aluminum depth stop collar. Simply use the included wrench to adjust the drilling depth, allowing you to create identical, uniform countersinks across every single hole. The rotating rubber-coated contact surface prevents unsightly marks or damage to your workpiece
- Multi-Material Compatibility for Various Projects: This tapered drill bit set is optimized for 82-degree standard screws and works well in a variety of materials, including softwood, hardwood, plywood, MDF, particle board, and soft aluminum sheets. Ideal for door hinge installation, furniture assembly, and DIY crafts Versatile All-Season Outdoor Tool
- Complete Kit with Organized Storage Case: Comes with 5 two-flute tapered countersink bits (Sizes: 1/8"×3/8", 9/64"×3/8", 5/32"×3/8", 11/64"×1/2", 3/16"×1/2") to fit common screw sizes, plus 1 wrench and 1 depth stop collar. All items are stored in a sturdy, compact plastic case with individual compartments, keeping your workshop organized and bits secure
- Pro Tip for Best Results: For clean edges and to extend the life of your HSS drill bits, we recommend operating your drill at a slow speed (approximately 200 RPM). This technique produces a cleaner hole and prevents heat buildup that can dull the bits
Estimated shipping
Select a product to estimate shipping.The Vieliian 9-Piece Countersink Drill Bit Set is a versatile tool for creating precise screw pilot holes and countersinks in a variety of woodworking projects. Designed for both DIY enthusiasts and professional woodworkers, these bits offer accuracy and durability for consistent results.
Key Highlights
- Precise Hole Creation: The 82-degree cutting angle and two-flute design ensure clean, smooth pilot holes and countersinks.
- Adjustable Depth Control: The included depth stop collar allows you to set and maintain consistent drilling depths for uniform results.
- Durable Construction: Crafted from high-speed steel (HSS), these bits are built to withstand regular use and maintain their sharpness.
- Multi-Material Performance: Suitable for use with softwood, hardwood, plywood, MDF, and other common woodworking materials.
- Easy to Use: The wrench included for adjusting the depth stop collar makes setup quick and straightforward.
Useful Facts
- Brand: Vieliian
- Model: CDBS9
- Set Size: 5 Pieces
- Material: High Speed Steel (HSS)
- Shank Type: Hex
Good Fit For
- Home improvement projects
- Furniture building and repair
- Crafting and DIY woodworking
- Creating precise screw holes for various applications
Product details





| Main Specification | |
|---|---|
| Included Components | 5PCS Two-Flute TCT Alloy Tapered Drill Bits or Adjustable Depth Stop Collar |
| Manufacturer | Vieliian |
| Surface Recommendation | Wood |
| Shank Type | Hex |
| Tool Flute Type | Spiral |
| Brand | Vieliian |
| Cutting Angle String | 82 degrees |
| Number of Pieces | 5 |
| Product information | |
| Number of Packs | 1 |
| Set Name | 5-Piece |
| Technical Details | |
| Part Number | 88985 |
| Model | CDBS9 |
| Material Type | High Speed Steel (HSS) |
| Number of Flutes | 2 |
| Style | |
| Finish Types | Uncoated |
| Others | |
| Product Type | Countersink Drill Bits |





