Diameter
Heavy-duty and special diameters reviewed by standard or drawing
Heavy head configuration
Heavy Hex and Structural Bolts for High-Load Steel and Machinery Connections
Heavy hex bolts provide larger head dimensions than standard hex bolts and are selected according to the specified standard and joint design.
Grades 8.8 / 10.9 / 12.9Matched Nuts & WashersBlack / Zinc / HDG / PTFEStructural & Project Supply
Product capability
Head dimensions, grade and matched components reviewed against the required standard
Head dimensions, across-flats size, thread length and matching nut requirements should be confirmed against the applicable standard or drawing.
- Available in large and extra-long configurations.
- Grades 8.8, 10.9 and 12.9 according to order requirements.
- Black, zinc plated, hot-dip galvanized, Dacromet and PTFE finishes.
- Matched heavy hex nuts and washers available.
Grades
8.8 / 10.9 / 12.9
Head Style
Heavy hex according to standard
Supply
Bolts alone or complete assemblies
Available configurations
Product variants and supply options
Heavy Hex & Structural Bolts
Heavy hex and structural bolts for machinery, steel frames and load-bearing connections. Supply can include matched nuts and washers with grade, finish and inspection scope confirmed before production.
HDG Bolt Assemblies
Hot-dip galvanized bolt assemblies for outdoor structures, substations and utility projects. Coating, thread fit, matched components and packing are reviewed for practical installation and corrosion protection.
Heavy and Matched Nuts
Heavy-duty nuts selected to match bolt diameter, thread standard, mechanical grade and surface finish. Pairing is reviewed to support correct assembly performance and project traceability.
Typical applications
Where this product is commonly specified
Structural Steel
Heavy-duty steelwork connections.
Bridges
Load-bearing project fasteners.
Heavy Machinery
High-load machine and frame joints.
Energy Projects
Industrial equipment and structural support.
Mining
Robust equipment assemblies.
Project Distribution
Standard and project-specific supply.