The revolutionary True Stain® 300 Series provides the best option for sheet metal construction. True Stain® 300 Series Self-Drilling Screws could go through two sheets of 0.75 mm and up to five sheets of 0.5 mm sheet metal materials. It could also apply onto 2.5 mm steel construction beams. The Bugle Head Dry Wall Screws adapt the high thread-forming torsional and anti-stripping torsional strength quality of True Stain® 300 Series, and can easily penetrate through two sheets of 0.75 mm metal sheet material. Eliminating all rust contamination with the weather proof feature, True Stain® 300 Series offers the best and economical alternative for metal construction.
1. Indented hexagon washer self-tapping screw.
2. TS A2 metal TEK.
3. OEM and ODM custom design are accepted.