These non standard 304 stainless steel headless set screws are premium custom fasteners, crafted with high grade 304 stainless steel for outstanding anti rust and corrosion resistance performance. The solid stainless steel construction ensures excellent oxidation resistance and durability, making these cylinder end grub screws ideal for humid outdoor environments and harsh industrial working conditions. Fully designed with non standard customization specifications, these headless plug set screws feature strict dimensional tolerance control, precise cylinder end design and stable positioning force guaranteeing tight non loose locking even under long term vibration. Designed with hidden headless structure, these 304 stainless steel grub screws enable flush installation without protruding parts, greatly improving assembly safety and positioning accuracy. Widely applied in mechanical sealing blocking, equipment positioning fixing and precision machinery assembly projects, these non standard set screws come in complete sizes M3 M4 M5 M6 M8 M10 to meet various custom fastening demands. Each 304 stainless steel cylinder end set screw undergoes rigorous quality inspection ensuring consistent durability and stable locking performance all the time. Factory direct supply with full size stock available, these non standard headless grub screws are the top choice for global hardware wholesalers hardware buyers and industrial manufacturers offering cost effective high precision custom fastening solutions for commercial and industrial application scenarios.