The Dent Fix DF-1690 boron steel spot weld drill bit is an indispensable tool for anyone working with USHSS, AHSS, and boron steels. Designed to withstand the rigors of spot welding, this advanced drill bit features a boron steel body for enhanced strength and durability, as well as a tungsten carbide point for efficient and precise drilling. The patented coolant system ensures a cool and comfortable work environment, while the ergonomic design allows for easy handling and precise manipulation. Whether you're a professional welder or a DIY enthusiast, this dental fix DF-1690 spot weld drill bit is a must-have for any project requiring work with these challenging materials.