Straight Hole
Extrusion
Header Point
Washer Faces
Countersunk Head
Trapped Extrusion
Please specify the details as follow when you inquire or order tungsten carbide inserted for making different standard of screws.:
1.Header machine Die case size
2.Screw wire diameter
3.Screw size & length
It is highly suggested that you send the drawings or screw samples for our reference.