A4 316 Stainless Steel Hexagon Head Bolts - DIN 931

These A4 Stainless Steel (316) DIN931 Hexagon Bolts are a popular range of Stainless metric bolting products. Ideal for use in marine and salt water applications or other highly corrosive environments.

DIN931 bolts are partially threaded and the standard thread length is usually as follows;-

Up to 125mm long 2x Bolt Diameter plus 6mm

125mm to 200mm 2x Bolt Diameter plus 12mm

Over 200mm 2x Bolt Diameter plus 25mm

There for example a M10x150 would have around 32mm of thread on it.

Made to DIN931 metric course standards from A4 (316) Stainless Steel.

These bolts are supplied without nuts as standard so please order these separately along with any washers you may need to use.

We also supply these DIN931 Hexagon Bolts in A2 Stainless steel as well as BZP Steel, self-colour and Galvanised finishes to suit virtually every application and environment.