Stainless Steel Hex Bolts

DIN 931 standard is synonymous with high standards in fastener manufacturing, and our stainless steel hex bolts adhere to this norm.

Stainless Steel Hex Bolts

Our collection of stainless steel hex bolts are used in the construction, automotive, and manufacturing sectors. Whether you're tackling a large-scale construction project or a precision engineering task, hex bolts offer the reliability and strength needed to secure your assemblies with confidence.

If you're unsure about the size you need try reading our blog post about hex bolt dimensions. Take a look at our collection of hex bolts DIN 931, and experience the Fixabolt difference – where fast delivery and quality of service is not just a goal, but a guarantee.

Stainless Steel Hex Bolt Sizes

We have a full range of DIN 931 metric stainless steel hex bolts available. Use the links below to find your desired size.

M8 Hex Bolts

M10 Hex Bolts

M12 Hex Bolts

M16 Hex Bolts

M20 Hex Bolts

M24 Hex Bolts

118 products


Stainless Steel Hex Bolts DIN 931 (Part Thread)

Built for strength. Trusted by the trade.

Fixabolt® stainless steel hex bolts to DIN 931 spec are part-threaded bolts with a standard hex head - ideal for structural and heavy-duty applications where strength and reliability matter. Designed for tradespeople who don’t have time for failures on site, these bolts offer consistent quality and performance you can count on.

Each bolt features a plain shank under the head, providing extra shear strength and a cleaner fit when used in unthreaded holes. Whether you're bolting through timber, steel, or masonry with the right anchors, Fixabolt® hex bolts deliver a secure connection that holds up under pressure.

Materials & Grades

Our hex bolts DIN 931 are available in corrosion-resistant A2 (304) - ideal for outdoor use and in moist environments where durability is a must.

Need matching hex nuts and washers? We've got the right stainless steel fixings to complete the job.

Sizes Available

We stock a wide range of metric sizes:

  • Diameters: M8 to M24
  • Lengths: 50mm to 300mm  

All manufactured to DIN 931 standard (part-thread). If you need fully threaded variants, check out our DIN 933 Hex Set Screws.

Why Buy From Fixabolt®?

✅ Bulk discounts for trade buyers  

✅ Tracked UK delivery — fast and reliable  

✅ Competitive pricing with no compromise on quality  

✅ Ideal for carpenters, builders, engineers, and project managers  

Can’t find the size or quantity you need? Drop us a message - we’ll sort it.

Fixings that work as hard as you do. That’s Fixabolt®.