Hex socket cap screw according to ANSI B18.3 standard with UNC and UNF inch threads in stainless steel A2 (AISI 304). A2 stainless offers good corrosion resistance for both indoor and outdoor use where stainless assemblies are required. Inch-threaded screws are used in imported equipment, process installations, and constructions following UNC or UNF standards. The internal hex drive allows secure tightening even in confined spaces. Available in multiple sizes and lengths from SWEBOLT & BOTNIA BOLT.