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Home Product 3/8-16 x4 UNC Hex Bolt, Zinc Plated Grade 5, Automotive/Machinery Fasteners
US hexagon socket head cap 3/8-16*4

3/8-16 x4 UNC Hex Bolt, Zinc Plated Grade 5, Automotive/Machinery Fasteners

3/8-16x4 Hex Bolt
3/8-16 Threaded Screw 4"
SAE Grade 5 3/8-16 Fastener
3/8-16*4
3/8-16x4 Hex Bolt with 3/8-16 Threaded Screw 4 inch length, SAE Grade 5 fastener. High-strength zinc-plated steel construction for industrial and mechanical applications. Compliant with SAE specifications, durable hex head design for secure tightening.
Categories:Fasteners & Fixings
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Product Description

The 3/8-16x4 Hex Bolt is a high-strength threaded fastener featuring a 3/8-16 thread pitch, 4" length, and SAE Grade 5 certification for reliable mechanical performance. Designed for heavy-duty applications, this carbon steel bolt includes a zinc-plated finish for corrosion resistance and operates optimally in temperatures ranging from -40°F to 212°F (-40°C to 100°C). Its 3/8-16 Threaded Screw 4" design ensures compatibility with standard nuts and fixtures, providing secure connections in industrial machinery, automotive assemblies, and structural frameworks. The SAE Grade 5 3/8-16 Fastener delivers a tensile strength of 120,000 psi, ideal for load-bearing scenarios requiring durability. Key advantages include standardized threading for interchangeability and robust shear resistance, though it may require periodic torque checks under extreme vibration.
Product Designation3/8-16x4 Hex Bolt
Thread Specification3/8-16 UNC Coarse Thread
Nominal Length4" (101.6mm)
Material GradeSAE Grade 5 (Medium Carbon Steel)
Tensile Strength120,000 PSI Minimum
Surface FinishZinc Plated (ASTM B633)
Head StyleHexagonal (ANSI B18.2.1)
Thread EngagementFully Threaded Shank
Drive TypeExternal Hex (9/16" Across Flats)
Proof Load85,000 PSI
HardnessHRC 25-32
Thread DirectionRight-Hand
ComplianceASTM F568M / SAE J429
Point StyleChamfered End
PackagingBulk/Boxed (Quantity Varies)
question:What shipping methods do you offer?
answer:We support DHL, FedEx, UPS, and other major shipping methods.
question:Can you ensure stable product supply?
answer:Yes, we maintain reliable inventory and ensure timely deliveries.
question:Why is there a transaction fee?
answer:Transaction fees cover international payment processing 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:What shipping methods do you offer?
answer:We support DHL, FedEx, UPS, and other major shipping methods.
question:Can you ensure stable product supply?
answer:Yes, we maintain reliable inventory and ensure timely deliveries.
question:Why is there a transaction fee?
answer:Transaction fees cover international payment processing 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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