Woodworking Countersink Drill Bit Set, 5 Pc Tapered Bits for Screws with Quick Replacement Holder

Countersink Drill Bit Set: The woodworking counterbore hole drill bits set includes five commonly applied sizes of countersink drill bits - #4 (7/64"), #6 (9/64"), #8 (11/64"), #10 (3/16"), #12 (7/32"), a 1/4" hex shank quick replacement bit holder, and a hex wrench. These sizes cater to the needs of cabinet and furniture makers, as well as woodworking professionals or beginners.

Adjustable Cutting Depth: The counter sink drill bits feature two adjustable screws that can be moved up or down the shank of the bit to limit how far the drill penetrates into the material. The adjustable counter sleeve depth can be easily modified using the included hex wrench, ensuring precise control over hole drill depth and enhancing the functionality and usability of countersink drill bit sets.

Durable HSS Material: Crafted from HSS high-speed steel, these tapered drill bits for wood are resistant to breaking and rust, providing precision and reliable performance. They are suitable for a wide range of materials, such as softwoods, soft metals, plastic, plywood, fiberboard, particleboard, and other composite wood products, making them ideal for carpentry, woodworking, metalworking, cabinetmaking, etc.

Included Quick Replacement Bit Holder: The 1/4 inch hex shank magnetic drill bit holder serves as a convenient accessory for swiftly swapping out countersink drill bits during drilling operations. Its extended torsion zone helps absorb the high torque of impact drivers, ensuring that your bits stay in place and never wobble during use, especially when working with hard-to-reach screws.

Important Operating Tips: 1. Ensure proper alignment of the drill and workpiece before drilling. 2. Select the appropriate drill speed based on the material being worked on. 3. Prevent excessive heat buildup while drilling and allow the drill bit to cool down if necessary. 4. Regularly inspect the depth settings of the counter sleeve when using different materials or changing bit sizes. 5. Check drill bits for any signs of damage or wear before use. 6. Clean and store the drill bits after each use to maintain optimal performance and safety.

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