Material: Carbon Steel, Stainless Steel 

Surface: Yellow zinc plated Cr3+, Blue/White/Clear zinc plated Cr3+ and others coating (Geomet, Ruspert, etc)

Head type: Bugle head, Wafer head, Countersunk head, etc

Drive Type: Phillips, POZI, Torx, etc.

Thread Type: Coarse thread, Fine thread

Others: Type 17 / Long cut, Double cuts / 4 cuts

- With sharp points for easy and quick drive

- With Bugle head, it helps the screw stay in place

- Drill-driver is available per your request

- Made of case hardened steel, offers strong pull strength to hold the drywall

- Excellent quality