Overview
Grade 5 hex bolts are medium-strength fasteners commonly used in automotive, agricultural, and general industrial applications. Manufactured from medium carbon steel and heat-treated for improved tensile strength, Grade 5 bolts offer reliable performance for load-bearing assemblies without the higher strength and cost associated with Grade 8 hardware.
Offshore Milling & Sourcing supports bulk and factory-direct sourcing programs for Grade 5 hex bolts, serving distributors, OEM manufacturers, equipment producers, and procurement teams requiring consistent supply and competitive volume pricing.
We provide structured sourcing solutions aligned with recurring production, container programs, and secondary supplier strategies.
Specifications
- Standard: SAE J429 Grade 5
- Material: Medium Carbon Steel
- Heat Treatment: Quenched and Tempered
- Minimum Tensile Strength: 120,000 psi
- Minimum Yield Strength: 92,000 psi
- Proof Load: 85,000 psi
- Hardness: Rockwell C25–34
- Thread Type: UNC (Coarse) / UNF (Fine)
- Diameter Range: 1/4″ – 1-1/2″
- Length Range: Standard and custom lengths available
- Head Marking: 3 radial lines (Grade 5 identification)
- Dimensional Standard: ASME B18.2.1
Materials
- Medium Carbon Steel
- Heat-Treated Alloy Steel (per SAE J429 Grade 5 requirements)
Finish & Coating Options
- Zinc Plated (Clear Zinc)
- Yellow Zinc (Zinc Dichromate)
- Plain Finish (Oil Finish)
- Black Oxide
- Mechanical Galvanized
- Custom Coating Solutions Available
Coating selection can be aligned with corrosion exposure, aesthetic requirements, and application environment.
Industries Served
- Automotive & Transportation
- Agricultural Equipment
- Machinery Manufacturing
- Industrial Equipment Assembly
- Construction Equipment
- OEM Manufacturing
- Industrial Distribution
Applications
- Automotive assemblies
- Equipment mounting
- Machinery fastening
- Agricultural implements
- Frame and bracket assembly
- Medium-load structural applications
Strategic Sourcing Capabilities
Grade 5 hex bolts are often used in recurring production and equipment assembly programs. Offshore Milling & Sourcing supports:
- Factory-direct import programs
- Volume-based pricing structures
- Container consolidation
- Secondary supplier and overflow sourcing
- Lead-time stabilization
- Private label packaging options
We frequently assist distributors and OEMs seeking improved margin stability and dependable bulk supply.
Volume & Packaging Options
- Bulk cartons
- Palletized shipments
- Mixed SKU container programs
- Scheduled recurring imports
- Custom-labeled packaging
Request a Quote
To request Grade 5 hex bolt pricing, please provide:
- Diameter
- Thread type (UNC / UNF)
- Length
- Finish requirement
- Quantity
- Delivery timeline
Drawings and specification sheets may be uploaded with your RFQ.
