Feature:
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
Specification:
Item Type: Twist Drill Bit Set
Material: Ti Alloy, HSS
Shank: 1/4 Inch Hex Shank
Specifications: 5/16 inch, 19/64 inch, 9/32 inch, 17/64 inch, 1/4 inch, 15/64 inch, 7/32 inch, 13/64 inch, 3/16 inch, 11/64 inch, 5/32 inch, 9/64 inch, 1/8 inch, 7/64 inch, 3/32 inch, 5/64 inch, 1/16 inch, 21/64 inch, 11/32 inch, 23/64 inch, 3/8 inch, 25/14 inch, 13/32 inch, 27x64 inch, 7/16 inch, 29/64 inch, 31/64 inch, 1/2 inch
Package List:
29 x Twist Drill Bits
9 x Limit Rings
1 x Storage Box