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Home Product Model 1/2-13*3-1/4 Hex Bolt, Heavy-Duty Grade 8, Zinc-Plated Steel Machine Screw for Construction & Automotive
US hexagon socket head cap 1/2-13*3-1/4

Model 1/2-13*3-1/4 Hex Bolt, Heavy-Duty Grade 8, Zinc-Plated Steel Machine Screw for Construction & Automotive

1/2-13x3-1/4 Threaded Rod
1/2-13 UNC Fastener
3-1/4 Inch Hex Bolt
1/2-13*3-1/4
1/2-13x3-1/4 Threaded Rod, 1/2-13 UNC Fastener Hex Bolt with 3-1/4 Inch Length. Zinc-plated carbon steel construction. Full-threaded rod for secure fastening applications. Features standard 1/2-13 UNC coarse threads. Includes hex head design for tool grip. Ideal for industrial and mechanical projects requiring durable threaded connectors.
Categories:Fasteners & Fixings
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Product Description

The 1/2-13x3-1/4 Threaded Rod integrates a 1/2-13 UNC Fastener design with a 3-1/4 Inch Hex Bolt configuration, engineered for structural anchoring and heavy-duty fastening. Featuring coarse threading for enhanced grip and durability, this component operates in temperature ranges from -40°F to 300°F, compatible with standard torque tools rated for 5-120V DC/AC. Designed for construction, automotive, and industrial machinery applications, it provides high tensile strength (grade 8) and corrosion resistance. The hex head enables direct integration with modular assembly systems, though installation requires precise alignment due to threading depth. Its compact 3-1/4" length balances load distribution while maintaining accessibility in confined spaces. Limitations include limited compatibility with fine-threaded counterparts.
Parameter Specification
Thread Size 1/2-13 UNC
Thread Pitch 13 TPI
Shank Length 3-1/4 Inch
Head Style Hex
Material Grade ASTM A307
Surface Finish Plain Zinc
Tensile Strength 60,000 PSI
Thread Direction Right Hand
Nominal Diameter 0.500 Inch
Product Type Threaded Rod/Hex Bolt
Standard Compliance ASME B18.2.1
Alternate Names 1/2-13x3-1/4 Fastener, UNC Threaded Stud
question:Why are shipping costs so high? Are there more economical delivery options?
answer:Shipping costs depend on distance, weight, and carrier rates. We offer multiple options and can help select the most cost-effective solution for you.
question:Can you provide upgraded models or alternative product options?
answer:Yes, we often have upgraded or alternative models available. Contact our sales team for specific options tailored to your needs.
question:What is the warranty coverage for the products?
answer:Our standard warranty covers manufacturing defects for 12 months. Extended terms may apply; check product-specific warranty documents.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Why are shipping costs so high? Are there more economical delivery options?
answer:Shipping costs depend on distance, weight, and carrier rates. We offer multiple options and can help select the most cost-effective solution for you.
question:Can you provide upgraded models or alternative product options?
answer:Yes, we often have upgraded or alternative models available. Contact our sales team for specific options tailored to your needs.
question:What is the warranty coverage for the products?
answer:Our standard warranty covers manufacturing defects for 12 months. Extended terms may apply; check product-specific warranty documents.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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