SS304 vs SS316 Fasteners
SS304 (commonly associated with A2 fasteners) and SS316 (commonly associated with A4 fasteners) are widely requested stainless-steel options. SS316 generally offers greater resistance in more aggressive environments because of its alloy composition, but selection should follow the actual service conditions and specification.
What to include in an RFQ
State the stainless grade, fastener type, size, standard, quantity and required finish. For critical environments, also provide the project or material specification.
Stainless selection can depend on exposure, chemicals, temperature and structural requirements. Obtain engineering confirmation where the application is safety-critical.