DD Fasteners provide a full range of high-efficiency and energy-saving drill tail screws and self-tapping screws. The drill tail has fast, stable and efficient performance. The drill tail can easily drill through 6mm ~ 9mm thick iron plates, and the #5 tail screw dedicated to H-shaped steel can easily drill through 12.5mm thick steel in 10 seconds.

The whole series of screw products conform to the Australian AS3566 standard. The screw material is carbon steel (the wire material comes from China Steel). The service life of the tail screw has passed the SGS international professional inspection. The salt spray test of the drill tail screw can reach more than 1000 hours, and the acid rain test can last for more than 15 hours.

Heavy duty tail self drilling screws can save up to 50% of drilling driving time and are the best choice to improve project efficiency and safety.

For more information , please check in our website , stay tuned , Cheers
Website :