Carbide Sleeves of GENG XIN

Heading Die with Tungsten Carbide Inserted for making different style screw, holes are different for round head full thread, C.S.K same as Flat Head, Washer Face, Extrusion for Half Thread, Taper End of Type – B Screw.

http://www.taiwantrade.com.tw/EP/gxintl/products-detail/en_US/854676/main_dies/