Quick facts
- Brand: WORKPRO
- Price: USD 13.99
- Rating: 4.40 (59 reviews)
If you want cleaner, more professional-looking screw holes, the WORKPRO 5-Pack Countersink Drill Bit Set combines drilling and countersinking in one convenient setup. Made from M2 high speed steel (HSS) and built with a 4-flute chamfer cutter, these bits are designed to help reduce burrs and leave a smooth, finished edge.
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This set includes five common sizes—#4 (7/64 in), #6 (9/64 in), #8 (11/64 in), #10 (3/16 in), and #12 (7/32 in)—making it a practical pick for everything from cabinetry and carpentry to general home repairs. The countersink depth is adjustable: set your desired drill length and tighten using the included hex key for repeatable results across multiple holes.
Recommended for wood, plywood, PVC, and plastic, these uncoated, hex-shank countersink drill bits are a solid choice for DIYers and pros who want consistent countersinks without switching between separate tools.
- M2 high speed steel (HSS) construction for hardness and wear resistance
- 5-piece set covers #4, #6, #8, #10, and #12 sizes (7/64 in to 7/32 in)
- 4-flute chamfer cutter helps deliver clean, burr-free countersinks
- Adjustable drill length/depth with included hex wrench for consistent results
- Suitable for wood, plywood, PVC, and plastic; ideal for cabinetry, carpentry, and repairs
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