... screw Dia:M1.0~M4.0 Material:carbon steel,alloy steel ISO9001,ISO14001,TS16949 Manufa stainless steel set screwDia:M1.0~M4.0 Material:carbon steel,stainless steel ... ,alloy steel ISO9001,ISO14001,TS16949 Application:thread linking parts,soft material parts,steel parts,plastic parts,assembliesFigure of screw head we ...