Self Drilling Screws are mainly used on the roofing sheets .
Place of Origin : Handan, China (Mainland)
Model Number:All size
Standard:DIN, DIN , ANSI/ASME, BS, GB, JS, Non standard.
Product name:screw ,drilling screw , self drilling screw
Materials:Carbon steel
Diameter:M3.5-M6.3, 6#-14#
Length:16mm-175mm, 5/8"-7"
Surface finish: Galvanized (Various of color), dacromet, black, mechanical zinc
Head type:Hex Head, CSK, Slotted Head
Packing:Bulk or Small boxes.then in carton .pallet
