Twist Drill Bit Set Ti Coated HSS 1/4 Hex Shank for Wood Metal Plastic

1 Ti Coated HSS: These twist drill bits adopt HSS structure, with ti coating, to improve durability and wear resisting performance, making them suitable for various drilling projects, including wood, metal, plastic, and more 2 1/4 Inch Hex Shank: These drill bits have a 1/4 inch hex shank, making it easier and safer to install on all power tools, especially for locking fast change chucks, eliminating the hassle of the shank rotating in the chuck 3 Auto Centering: Hex shank drill bit improves cutting speed through automatic centering, prevents movement, removes debris and particles faster, and achieves a quicker and cooler drilling process 4 Angle and Groove: Featuring 135 dividing point geometric shape, ensuring accurate start and reducing moving on the working surface; Double U grooves effectively remove debris, reduce friction and heat 5 Storage Box: Equipped with a portable storage box. Each bit holder has a designated hole and a size index to facilitate the storage and sorting of these twist drill bits, convenient to identify and access 6 Drill Bits and Limit Rings: Provide 29 twist drill bits of different specifications to meet your various needs; Equipped with 9 limit rings of different sizes, to help fix the position of the drill bit during hole drilling

What's in the box
1 x Twist Drill Bit Set