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Home Product Model 5/16-18*3-3/4 Threaded Rod, Hex Bolt, DuroMax ProSeries High Tensile Fastener for Machinery, Automotive
US hexagon socket head cap 5/16-18*3-3/4

Model 5/16-18*3-3/4 Threaded Rod, Hex Bolt, DuroMax ProSeries High Tensile Fastener for Machinery, Automotive

5/16-18 hex bolts
3-3/4 threaded fasteners
5/16-18 heavy duty screws
5/16-18*3-3/4
5/16-18 hex bolts with 3-3/4 length, heavy-duty screws designed for industrial threaded fasteners applications. Durable 5/16-18 coarse thread screws for robust fastening solutions.
Categories:Fasteners & Fixings
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Product Description

The 5/16-18*3-3/4 hex bolts are robust, heavy-duty threaded fasteners designed for demanding industrial applications such as machinery assembly, structural frameworks, and automotive manufacturing. Featuring a 5/16-18 thread pitch and 3-3/4-inch length, these screws provide exceptional shear strength and durability, ideal for high-torque environments. Constructed from hardened steel with corrosion-resistant coatings, they operate reliably across a wide temperature range (-40°F to 450°F) and withstand harsh conditions. Their hexagonal head design ensures secure gripping during installation, minimizing slippage. While these 5/16-18 heavy-duty screws excel in load-bearing scenarios, their size and weight may limit use in lightweight or precision applications. Compatible with standard nuts and washers, they are widely utilized in construction, heavy equipment, and infrastructure projects requiring long-lasting, vibration-resistant fastening solutions.
Parameter Specification
Thread Size 5/16-18 UNC
Length 3.75 inches (3-3/4")
Head Type Hexagon (Hex Bolts)
Material Alloy Steel / Stainless Steel
Finish Zinc Plated or Plain
Threaded Engagement Fully Threaded Fasteners
Strength Grade SAE J429 Grade 5 or Equivalent
Torque Capacity 25-30 ft-lbs (Heavy Duty Screws)
Standards ASME B18.2.1, ASTM A449
Applications Structural, Machinery, Heavy-Duty Assembly
question:What shipping methods do you offer?
answer:We support DHL, FedEx, UPS, and other international shipping carriers.
question:Do you provide technical consultation services?
answer:Yes, our team offers technical guidance to help select optimal solutions for your needs.
question:Why is a service fee charged?
answer:Service fees cover processing, logistics coordination, and administrative costs for smooth transactions.
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:What shipping methods do you offer?
answer:We support DHL, FedEx, UPS, and other international shipping carriers.
question:Do you provide technical consultation services?
answer:Yes, our team offers technical guidance to help select optimal solutions for your needs.
question:Why is a service fee charged?
answer:Service fees cover processing, logistics coordination, and administrative costs for smooth transactions.
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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