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Home Product 5/16-18x3/4 UNC Threaded Rod, Zinc Plated, High Strength Fastener for Machinery Assembly
US hexagon socket head cap 5/16-18*3/4

5/16-18x3/4 UNC Threaded Rod, Zinc Plated, High Strength Fastener for Machinery Assembly

5/16-18 UNF Machine Screw
3/4 Inch Hex Head Bolt
5/16-18 x 3/4 Fastener
5/16-18*3/4
5/16-18 UNF Machine Screw, 3/4 Inch Hex Head Bolt, 5/16-18 x 3/4 Fastener.
Categories:Fasteners & Fixings
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Product Description

The 5/16-18 UNF Machine Screw is a 3/4 Inch Hex Head Bolt designed for high-torque applications requiring precise fastening in industrial machinery, automotive assemblies, and structural frameworks. This 5/16-18 x 3/4 Fastener features a unified fine (UNF) thread pitch for enhanced grip strength, a hexagonal head for compatibility with standard wrenches or sockets, and an overall shank length of 3/4 inch (19.05 mm). Constructed from grade-8 steel with a corrosion-resistant zinc plating, it operates reliably within temperatures ranging from -40°C to 120°C. Ideal for heavy-duty environments, the bolt excels in vibration resistance and load distribution but may require pre-drilled pilot holes for installation. Its compact design suits confined spaces while maintaining a tensile strength of 150 ksi. Common applications include engine mounts, hydraulic systems, and equipment frames. Surface hardness is rated at 33-39 HRC, ensuring durability under repetitive stress.
Parameter Specification
Thread Specification 5/16-18 UNF (Unified National Fine)
Fastener Length 3/4 Inch
Head Type Hex Head (External Drive)
Material Grade Grade 2 Carbon Steel
Surface Finish Plain (Untreated)
Thread Pitch 18 Threads per Inch (TPI)
Hex Head Width 1/2 Inch (Across Flats)
Thread Direction Right-Hand
Torque Specifications 15-20 ft-lbs (Grade 2)
Application Standard ASME B18.2.1, ASTM A307, SAE J429
Thread Length Full Thread (3/4")
Drive Size 1/2" Hexagonal Drive
question:Why are shipping costs so high? Are there cheaper options available?
answer:Shipping costs depend on destination and service type. We offer tailored logistics solutions to balance cost efficiency.
question:Do you offer technical selection services?
answer:Yes, we provide expert technical consultation to help you choose the best-fit products for your requirements.
question:Can your company ensure stable supply?
answer:We maintain reliable supplier partnerships and inventory systems to guarantee consistent product availability and delivery.
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 cheaper options available?
answer:Shipping costs depend on destination and service type. We offer tailored logistics solutions to balance cost efficiency.
question:Do you offer technical selection services?
answer:Yes, we provide expert technical consultation to help you choose the best-fit products for your requirements.
question:Can your company ensure stable supply?
answer:We maintain reliable supplier partnerships and inventory systems to guarantee consistent product availability and delivery.
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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