11pcs Depth Adjustable Counterbore Drill Bit Set 1/4 Inch Hex Shank Pilot Drill Bit Set Carpentry

Label:Yes [Durable Construction] The drill bit and countersunk socket are made of high carbon steel, offering high hardness and strong wear performance for a long service life.

[Efficient Chip Clearing] Two chamfered grooves allow faster drilling and help self-clear chips, keeping the hole cleaner and reducing clogging. [Reliable Cutting Power] The countersink drill bit set delivers strong cutting power, high durability, and lasting wear performance.

[Versatile Material Compatibility] Suitable for bench drills, hand drills, and traditional electric drills, and works well on wood, fiberboard, particleboard, plywood, plastic, PVC, rubber, and more.

[1/4 Inch Hex Shank with Multiple Sizes] The hex shank diameter is 1/4 inch, and the set includes drill diameters: 3.5, 3.25, 2.75, 2.5, 2 mm (9/64, 1/8, 7/64, 3/32, 5/64 in).

Item Type: Countersink Drill Bit Set Color: Black Material: Drill Bit: High steel, Countersunk Drill Socket: High carbon steel Specification:5#,6#,8#,10#,12# Tool Diameter: 3.5, 3.25, 2.75, 2.5, 2mm (9/64, 1/8, 7/64, 3/32, 5/64in) Drill Socket Hex Shank Diameter: 1/4in Package List: 5 x Drill Bit 5 x Drill Bit With Countersunk Shank 1 x Wrench Note: 1. Due to the difference between the monitors and light effect, the picture may not reflect the actual color of the item. 2. Please allow small deviation due to manual measurement. Thanks for your understanding. 3.Do a good job of safety protection when using.