Reduced shank Rolled HSS twist drill bits with amber and black coating

1.The coating enhances the drill bit's hardness and wear resistance, extending the drill bit's service life and making it more suitable for demanding drilling tasks.

2.The coating helps reduce friction and heat build-up during drilling, thereby enhancing the drill bit’s ability to withstand high temperatures and maintain its cutting performance.

3.The coating promotes smoother drilling and better chip evacuation, resulting in increased efficiency and accuracy when drilling. 

4.The short shank design enables the drill bit to be compatible with a variety of drilling equipment, providing versatility in a variety of applications. 

5.high-speed steel twist drill bits with amber and black coatings offer greater durability, heat resistance, lubricity, multi-function compatibility, and corrosion resistance, making them ideal for a variety of applications. A valuable choice for drilling needs.