News All 18-8 vs 316 stainlessbolt grade meaningfastener gradesgrade 5 vs grade 8marine grade fastenersmetric class 8.8stainless steel fastener selection metric class 8.8 Categories All 18-8 vs 316 stainless bolt grade meaning fastener grades grade 5 vs grade 8 marine grade fasteners metric class 8.8 stainless steel fastener selection Understanding Fastener Grades — A Complete Guide to Grade 2, Grade 5, Grade 8, and Metric Classes bolt grade meaningrahul chandrawanshiJun 11, 2026