MACHINE SCREW Screw is a kind of metal part with worldwide use. Main material low carbon steel (C1018, C1022), stainless steel (SUS303, SUS430) and alloy steel (SCM435) and so on. Our company can provide the ordered type screw by your command. Machine Screws are widely used in general assembly work. They have slotted or recessed heads, and are made in a number of head styles. RETRACTABLE SCREW Retractable screw is comprised by a knob, a spring, a ferrule and a screw. The screw is fixed in the knob. The ferrule is entrapped with the spring by the knob and can be installed by self-clinching on a metal sheet. After retractable screw is mounted by means of installation of the ferrule, the screw wouldn’t drop or be lost if loosed from a mating nut. TAPPING SCREW TRIANGLE SCREW HANDLING SCREW VARIETIES TYPE OF SCREW back