Fastener materials are the base metals and polymers used to make bolts, screws, nuts, and other threaded hardware, from carbon steel and stainless to aluminum, titanium, and engineered plastics. Three...

304 vs 316 stainless steel fasteners: compare A2-70 vs A4-70 strength, PREN and the 25–35% cost premium. Pick the right grade and get a quote from GUXIANG.

Stainless steel fasteners can and do corrode. This technical guide explains pitting, crevice, galvanic, intergranular, and stress corrosion — with grade comparisons, PREN data, and prevention strategies...