High Tensile Hex Head Bolt 8.8 Grade DIN 931 | Duchy Fasteners

Built for demanding structural, mechanical, and heavy-duty engineering work, these high tensile hex head bolts deliver reliable clamping force and long-lasting performance where strength matters most. Manufactured to recognised standards including DIN 931 / ISO 4014 (with additional DIN 933 / DIN 960 coverage across the range), they’re a trusted choice for industrial assemblies, construction projects, machinery installation, and general engineering applications.

Designed for high load-bearing capability and resistance to mechanical stress, wear, and fatigue, these bolts are commonly supplied in strength grades such as 8.8 and 10.9 (with higher-grade options available within the wider range). A durable self-coloured finish is featured across this selection, with galvanised options also available in the broader line for added corrosion resistance when required.

Type: High tensile hex head bolts for secure, heavy-duty fastening
Standards: DIN 931 / ISO 4014 (range may also reference DIN 933 / DIN 960)
Strength grades: Commonly 8.8 and 10.9 (higher grades available in range)
Performance: Excellent load capacity with strong resistance to stress and wear
Applications: Construction, structural steelwork, machinery, plant maintenance, and industrial engineering

Choose this fastening solution when you need consistent quality, dependable tensile strength, and a standards-compliant hex bolt for professional trade and industrial use.