Metric Hex Bolt, Din 931, A4 (316) Stainless Steel

A metric hexagonal bolt or hex bolt as it's commonly known, manufactured to Din 931. This partially threaded bolt with a plain shank and hexagonal head is ideal for heavy duty fastening applications, and usually installed with a spanner or socket tool. Manufactured in A4 stainless steel often referred to as 316 or marine grade, this grade has the highest corrosion resistance for general purpose use.