The revolutionary True Stain® SUS 300 Series provides the best option for sheet metal construction. True Stain® SUS 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® SUS 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® SUS 300 Series offers the best and economical alternative for metal construction.
1. Bugle head (phillips) drywall/ gypsum board screw.
2. BF(+) M4.2-CSx25.
3. BF(+) M4.2-SSx25.
4. TS A2 drywall screw.