Phillips oval head self drilling screw
Phillips oval head self drilling screw is for wood to metal applications, where require seat flush without splintering the wood. The oval round up head is for decorative purpose.S-metal manufactures oval head drilling screw with material of steel C 1022 and stainless steel 304, 316,410 for your options.
Standards:DIN 7504 R,ISO 15483, 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 7504R oval head phillips self drilling screw
Dimension in mm.