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Home Product 5/16-18*1/2 Hex Bolt SAE Grade 8 Zinc-Plated Heavy-Duty
US hexagon socket head cap 5/16-18*1/2

5/16-18*1/2 Hex Bolt SAE Grade 8 Zinc-Plated Heavy-Duty

5/16-18x1/2 bolts
5/16-18 screws
5/16-18 fasteners
5/16-18*1/2
5/16-18x1/2 bolts with 18 threads per inch, available as hex head screws or pan head fasteners for machinery, automotive, and construction applications. Compatible with 5/16-18 nuts and threaded holes. Steel, stainless steel, or zinc-plated options. ASME/SAE compliant.
Categories:Fasteners & Fixings
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Product Description

The 5/16-18x1/2 bolts are precision-engineered threaded fasteners designed for robust mechanical assemblies, featuring a 5/16-inch nominal diameter, 18 threads per inch, and a 1/2-inch shank length. These 5/16-18 screws are compatible with standard nuts and threaded holes, offering high tensile strength up to 120 ksi when manufactured from Grade 8 steel. Ideal for automotive, machinery, and construction applications, they provide exceptional load distribution and vibration resistance. Surface-treated variants include zinc-plated or stainless steel 5/16-18 fasteners for corrosion protection. Operating reliably in temperatures ranging from -50°F to 300°F, these components meet ANSI/ASME standards. Primary advantages include durability and easy installation, though improper torque application may risk thread stripping. Typical torque specifications range between 15-20 ft-lbs depending on material pairing.
ParameterSpecification
Product Model5/16-18x1/2 Bolts
Thread Size5/16-18 UNF
Threads per Inch (TPI)18
Nominal Diameter0.3125 inch
Shank Length0.5 inch
MaterialASTM A307 Grade A
FinishZinc Plated
Head StyleHex Head
Drive TypeExternal Hex
Tensile Strength60,000 psi
StandardsASME B18.2.1, SAE J429
Fastener Category5/16-18 Screws & Fasteners
question:Why were the labels cut off upon receiving the goods?
answer:Labels are removed per export regulations to protect supply chain confidentiality.
question:Can shipments apply for low-value declaration?
answer:Low-value declaration is possible but must comply with destination customs regulations.
question:What shipping methods do you support?
answer:We support DHL, FedEx, UPS, and provide tracking details post-dispatch.
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 were the labels cut off upon receiving the goods?
answer:Labels are removed per export regulations to protect supply chain confidentiality.
question:Can shipments apply for low-value declaration?
answer:Low-value declaration is possible but must comply with destination customs regulations.
question:What shipping methods do you support?
answer:We support DHL, FedEx, UPS, and provide tracking details post-dispatch.
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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