Brand Name:DRILLMAN OR OEM
Surface:zinc plated Cr3+
The self drilling screw is combined high-quality steel controls, and manufacturing know-how product the best drill point available, designed for use in soft steel or other metals. Not only in carbon steel, but also in stainless steel, our self drilling screws with sharp and durable drilling point, pierces the metal without buckling, drill through steel faster than other leading suppliers.
SINOAN Self Drilling Screw DIN7504, Tek Screw SAE J78, Wing Tek Screw, Roofing Screw
Drill point #2, #3, #4, #5
|Finish||Phosphate (grey or black), Zinc Plated (clear / white / yellow), Coating (Geomet, Dacrotized, Ruspert etc.), Mechanically Zinc plating etc.|
|Standard||IFI, DIN7504, JIS, BS, AS, EN14566 or customized designs available.|
|Others||case harden, drill-Drive test required|