Jinghong Fasteners® is China manufacturer & supplier who mainly produces Set Screw, Torx Screw with many years of experience. Hope to build business relationship with you.
The set screw, also known as a grub screw or a set bolt, is a type of threaded fastener designed to secure one object within another. Unlike typical screws, set screws do not have a traditional head or any external features meant for turning with a screwdriver or wrench. Instead, they are primarily used to secure one component within another by tightening down against it.
Jinghong Fasteners high quality Gr12.9 Set Screw is one of the common set screw,also named headless screw.it’s used for connecting and securing mechanical components. Jinghong Fasteners Gr12.9 set screw usually made of alloy steel ,such as 40cr,Scm435 steel etc,it’s hardness is HRC39-44 and surface color is black oxide
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