Self-drilling Screws

Self-drilling screws are common construction screws used to fasten metal structures in a quick and convenient way. Choosing the right screws with compliance will reduce a lot of working time and secure your building. Sun Through offers nice self-drilling screws with good quality in competitive price. Our techniques in welding and heat treatment make the screws sharper, stronger and more long-lasting than usual.

Material: Bi-metal or carbnon steel:

Drilling point: P1~P5

Nominal size: M4.8~M7.0

Length: 19mm~360mm

*** specifications can be customized, contact us for specific specs***

Plating: Cr3+/ Cr6+ Zinc plating with choice of colors

Optional post plating finish: 500Hrs /1000 Hrs Silver Ruspert coating