DIN7985 Pan torx Trilobular tapping screw
DIN7985 Pan torx Trilobular tapping screw We have 20 years in producing trilobular tapping screws for soft metal, plastite scre
DIN7985 Pan torx Trilobular tapping screw
Features:1) Material: alloy steel or low carbon steel2) Case harden, and de-embrititle to be done3) All kinds of zinc plating
DIN7985 Pan torx Trilobular tapping screw
