Phillips flat head self drilling screw
Phillips flat head self drilling screw is for wood to metal applications, where requires seat flush without splintering the wood. For wood over 12 mm thickness, S-metal provides flat head self drilling screws with winged reamers so that it could drill through wood to metal.
Standards:DIN 7504 N,ISO 15482, SAE J78.
Material :Case hardened steel C 1018,C 1022 with heat-treated
Stainless steel 304/316/410.
Surface:zinc plated, H.D.G, Black phosphated.
Surface hardness:The minimum surface hardness of self drilling screws after heat treatment shall be 530 HV.
Core hardness:The core hardness after heat treatment shall be 320 HV to 400 HV.
Tolerance: Grade A conforming to ISO 4759-1.
DIN 7504 P flat head phillips self drilling screw
Dimension in mm.