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5PCS Countersink Drill Bit Set, Premium HSS Countersink Drill Bit with 82-Degree, 5 Flutes 1/4 Inch Quick-Change Hex Shank, 1/4 Inch to 3/4 Inch Size, Counter Sink Drill Bits for Wood, Metal, Plastic
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5PCS Countersink Drill Bit Set, Premium HSS Features
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【Top Quality】Our countersunk drill is made of high-quality M2 high-speed steel to ensure its high hardness and durability, providing excellent cutting ability
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【1/4" Hex Shank】This set of countersink bits includes 5 different sizes - 1/4"(6 mm), 3/8"(10 mm), 1/2"(13 mm), 5/8"(16 mm), 3/4"(19 mm). These drill bit feature a 1/4" hex shank, making them compatible with all types of drill bits and mold grinders
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【Enhanced Efficiency】With 5 flute design, countersink drill bits ensure efficient debris removal, resulting in smoother and cleaner countersinking（ensuring screws and fasteners sit flush）, saving time and effort during your projects
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【Widely Application】Our metal countersink drill bit can be used for drilling holes in medium hardness stainless steel, copper, aluminum, plywood, softwood, hardwood and fiberglass plastics.Meet all your DIY needs
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【Package Content】The countersink drill bits set includes 5 sizes: 1/4"(6mm), 3/8"(10mm), 1/2"(13mm), 5/8"(16mm), 3/4"(19mm),all bit designed with 1/4" hex shank
About 5PCS Countersink Drill Bit Set, Premium HSS
Features: Premium Material: Crafted from high-speed steel (HSS), these bits offer exceptional durability and can effortlessly tackle wood and metal surfaces with precision and ease. Clean Countersink Holes: The precision-ground 5 flutes and cutting edges for a smooth and clean finish, reducing the need for additional sanding or finishing work. How to operate: 1.First, drill a suitable pilot hole for your screw with a drill bit (countersink drill bits cannot be used directly for drilling). 2.Install the countersink drill bit on the workbench for countersinking (please maintain concentricity, 90°, during the countersinking process). 3. After countersinking, the hole will have a chamfered edge. 4.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. Notes: 1.During the countersinking process, maintain 90° and do not swing it. 2. When using a hand drill, please keep drilling at 90° and apply a little pressure
