5PCS Countersink Drill Bit Set, 82 Degree Premium HSS Counter Sink Drill Bit, Size 1/4"-3/4" Quick-Change Hex Shank for Wood, Metal, Plastic
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0.21 kg
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USA
- 3 Steps to Use1. Mark & AlignMark the drilling point on aluminum/wood/plastic. Select a countersink bit size matching your screw head. Align the pilot tip precisely.2. Drill in StagesLow-Speed Start: Begin at low RPM to create a pilot hole (prevents cracking).Install the countersink drill bit on the workbench for countersinking (please maintain concentricity, 90°, during the countersinking process).3. Clean & TestClear debris, then test-fit the screw. Screw the flathead screw into the hole to achieve a perfect smooth surface, or you can perfectly hide the flathead screw in the wooden product.Pro Tip: Use coolant for hard materials (e.g., aluminum); control speed for plastics to avoid melting.
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【Premium HSS Drill】 Our countersunk drill is made of high-quality HSS to ensure its high hardness and durability, providing excellent cutting ability. Each countersink bit features 5 sharp flutes and a precise angle. 【Versatile 82 Degree Angle】 Contains 5 high-quality Countersink Drill Bit Set with 82 degree countersink angle in common sizes 1/4” 3/8” 1/2” 5/8” 3/4”, ideal for wood, plastic, Soft Metal, and other materials. 【Quick-Change Shank】 This countersink drill bit set features a 1/4" hex shank for quick drill changes—compatible with handheld drills, impact drivers, and drill presses. 【Organized Storage Case】 This countersink drill bit set comes in a compact storage case to keep them protected and organized for easy transport and long-term durability.Keep your bits organized and ready for any project. 【User Tips】 Keep the countersink drill bit set in the provided storage case to prevent damage, loss, or dulling of the bits .Please oil the bit after every use. Please do not use for processing stainless steel or iron plates.