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Home Product Model 5/16-18*5-1/2 High-Strength Threaded Bolt, Carbon Steel Fastener for Automotive Machinery
US hexagon socket head cap 5/16-18*5-1/2

Model 5/16-18*5-1/2 High-Strength Threaded Bolt, Carbon Steel Fastener for Automotive Machinery

5/16-18 UNC bolt
5-1/2 inch fastener
5/16-18 thread screw
5/16-18*5-1/2
5/16-18 UNC bolt with 5-1/2 inch length and coarse thread screw for secure fastening applications.
Categories:Fasteners & Fixings
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Product Description

The 5/16-18 UNC bolt is a threaded fastener designed for robust mechanical applications, featuring a coarse 5/16-18 thread screw profile and an overall length of 5-1/2 inches. This 5-1/2 inch fastener is compatible with standard UNC threading, ensuring reliable engagement in construction, automotive, or machinery assemblies. Constructed from high-grade steel, it offers tensile strength up to 150 ksi and operates effectively in temperatures ranging from -40°F to 450°F. Its zinc-plated surface provides corrosion resistance for outdoor or industrial environments. Key advantages include durability, standardized sizing, and ease of installation, though prolonged exposure to highly acidic conditions may degrade coating integrity. Ideal for structural joints requiring moderate load-bearing capacity and vibration resistance.
Parameter Specification
Thread Specification 5/16-18 UNC
Nominal Diameter 5/16 inch
Threads Per Inch 18 TPI
Fastener Length 5-1/2 inch
Material Grade ASTM A307 Grade B
Head Style Hex Head
Drive Type External Hexagon
Surface Treatment Zinc Plated
Tensile Strength 60,000 PSI Minimum
Thread Engagement Full Thread
Torque Value 14-17 ft-lb (Dry)
Applications General Purpose Fastening
question:Does the company have a professional product selection engineering team?
answer:Yes, we have a dedicated team of engineers specializing in product selection and quality assurance.
question:What is the warranty?
answer:Our standard warranty covers defects in materials and workmanship for 12 months from delivery.
question:Can the company provide upgraded or alternative models?
answer:Yes, we offer upgraded or alternative models based on availability and client requirements.
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:Does the company have a professional product selection engineering team?
answer:Yes, we have a dedicated team of engineers specializing in product selection and quality assurance.
question:What is the warranty?
answer:Our standard warranty covers defects in materials and workmanship for 12 months from delivery.
question:Can the company provide upgraded or alternative models?
answer:Yes, we offer upgraded or alternative models based on availability and client requirements.
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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