These 304 stainless steel DIN916 GB80 set screws are premium standard fasteners, crafted with high grade 304 stainless steel for outstanding anti rust and corrosion resistance performance. The solid 304 stainless steel construction ensures excellent oxidation resistance and durability, making these cup point grub screws ideal for humid outdoor environments and harsh industrial working conditions. Fully compliant with DIN916 and GB80 standard specifications, these cup point set screws feature strict dimensional tolerance control, precise concave end design and stable positioning force guaranteeing tight non loose locking even under long term vibration. Designed with internal hex socket structure, these 304 stainless steel grub screws enable hidden flush installation without protruding parts, greatly improving assembly accuracy and fixing stability. Widely applied in mechanical positioning, equipment locking, mold assembly and precision machinery fastening projects, these set screws come in complete sizes M2 M4 M6 M12 to meet various precision fastening demands. Each 304 stainless steel cup point grub screw undergoes rigorous quality inspection ensuring consistent durability and stable locking performance all the time. Factory direct supply with complete specification stock available, these standard headless set screws are the top choice for global hardware wholesalers hardware buyers and industrial manufacturers offering cost effective high precision fastening solutions for commercial and industrial application scenarios.