These 304 stainless steel low profile hex cap nuts (DIN917) are available in metric sizes M3 to M20. They feature a natural stainless steel finish and are designed to protect threaded ends from rust, damage, and dirt. Use them to cap sharp screw ends to protect against injury. Compatible with standard screws including cylindrical, round head, countersunk, hex, and machine screws. Suitable for dry, damp, and outdoor environments. Ideal for mechanical industry, automotive, motorcycle manufacturing, wood and steel structures, and furniture construction.