M4 - M18 Hex Head Bolts Zinc Plated High Tensile 8.8 Grade DIN 931

Fast courier delivery

FREE DELIVERY ON ORDERS OVER £75

Collect this or any of our fasteners or tools at our store in Redruth, Cornwall

Built for demanding structural, engineering, and heavy-duty industrial use, these high tensile hex head bolts deliver dependable strength and precision fastening where it matters most. Manufactured to recognised DIN standards (including DIN 931 / ISO 4014, with options referenced to DIN 960), they’re designed for secure assembly and excellent load-bearing performance in high-stress applications such as construction, machinery, and mechanical installations.

Featuring an 8.8 tensile grade (with 10.9 grade options available), these metric bolts provide the durability and consistency professionals expect for critical joints and general-purpose fastening alike. A protective zinc-plated finish helps improve corrosion resistance and extend service life in everyday site and workshop conditions.

Type: High tensile hex head bolt
Standards: DIN 931 / ISO 4014 (DIN 960 referenced on select lines)
Strength: 8.8 grade (10.9 grade options available)
Finish: Zinc plated for improved corrosion resistance
Use cases: Construction, structural connections, engineering, mechanical and industrial assemblies

Select the required metric diameter and length to match your application and ensure a secure, long-lasting fastening solution.