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Home Product 5/16-18x1-7/8 Hex Bolt Grade 8 Zinc Plated Heavy Duty Fastener for Automotive Marine Hardware
US hexagon socket head cap 5/16-18*1-7/8

5/16-18x1-7/8 Hex Bolt Grade 8 Zinc Plated Heavy Duty Fastener for Automotive Marine Hardware

5/16-18 threaded rod
1-7/8 machine screw
18 TPI fastener
5/16-18*1-7/8
5/16-18 threaded rod machine screw fastener with 1-7/8" length and 18 TPI coarse threading, engineered for mechanical assemblies requiring precise thread engagement and durable fastening solutions.
Categories:Fasteners & Fixings
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Product Description

The 5/16-18 threaded rod with a 1-7/8 machine screw is a high-precision 18 TPI fastener engineered for heavy-duty mechanical assemblies. This stainless steel component features a nominal diameter of 5/16 inch (7.94 mm), a thread length of 1-7/8 inches (47.6 mm), and 18 threads per inch for secure load-bearing applications. Designed for industrial machinery, automotive frameworks, and structural installations, it operates effectively within -30°C to 150°C and withstands moderate corrosion. The coarse 18 TPI threading ensures rapid installation and high shear resistance, while the extended shank accommodates thick materials. Key advantages include durability and vibration resistance, though galvanic corrosion may occur in marine environments without protective coatings. Its compact profile suits confined spaces in equipment mounting and bracket systems.
Parameter Specification
Product Type 5/16-18 Threaded Rod with 1-7/8 Machine Screw
Thread Specification 18 TPI Fastener (Threads Per Inch)
Nominal Diameter 0.3125 inches (5/16")
Total Length 1.875 inches (1-7/8")
Thread Length Full Thread Engagement
Material Grade Grade 2 Carbon Steel
Surface Finish Zinc Plated (Corrosion Resistant)
Torque Capacity 12-15 ft-lbs (Dry Thread)
Head Style Hexagonal Head
Drive Type 6-Point Socket Drive
Tensile Strength 60,000 PSI Minimum
Compliance Standard ASTM A307
question:How do you handle shipping?
answer:We support DHL, FedEx, UPS, and other major shipping methods.
question:Supported shipping methods?
answer:DHL, FedEx, UPS, and other global carriers are available for delivery.
question:Why is there a service fee?
answer:The service fee covers payment processing and administrative costs.
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:How do you handle shipping?
answer:We support DHL, FedEx, UPS, and other major shipping methods.
question:Supported shipping methods?
answer:DHL, FedEx, UPS, and other global carriers are available for delivery.
question:Why is there a service fee?
answer:The service fee covers payment processing and administrative costs.
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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