Stainless Steel Hex Bolt 316

A4-70 (AISI 316) hex head bolts, fully threaded, to DIN 933 / ISO 4017. The 316 alloy's molybdenum content protects against pitting in chloride and acid environments that attack standard A2 fasteners.

Choose A4 bolts for marine hardware, coastal balustrades and facades, swimming pools, wastewater plants, and chemical equipment. Always pair with A4 nuts and washers, and lubricate threads to prevent galling. Available M×L sizes are in the table above.

Sold per piece with a 50–100 piece minimum order depending on size. Include sizes, quantities, and destination in your quote request.