Item:Cross recessed ball head tapping screw

Standar:GB 845-85

Material:Stainless steel ,Carbon steel

Surface:Chromium plated,Trivalent chromium

Size:M4*12

Length:≤50mm

Salt spray test:Surface is in good condition after 24hours---96hours

RoHS

Packing:Customized Is Accepted

Also we can produce the screws as customer's drawings