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Home Product 5/16-18x4-3/4 Hex Bolt Stainless Steel Grade 8 ProSeries Machinery Construction
US hexagon socket head cap 5/16-18*4-3/4

5/16-18x4-3/4 Hex Bolt Stainless Steel Grade 8 ProSeries Machinery Construction

5/16-18 UNC Screw
4-3/4 Inch Bolts
5/16-18 Machine Screws
5/16-18*4-3/4
5/16-18 UNC Screw, 4-3/4 Inch Bolts with 5/16-18 Machine Screws. Zinc-plated steel, standard coarse threads for corrosion resistance and general-purpose fastening applications.
Categories:Fasteners & Fixings
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Product Description

The 5/16-18*4-3/4 is a 5/16-18 UNC Screw and 4-3/4 Inch Bolt designed for heavy-duty fastening in automotive, aerospace, and industrial machinery. Manufactured from high-strength carbon steel with zinc plating, these 5/16-18 Machine Screws operate reliably in temperatures from -30°C to 250°C and deliver up to 120,000 psi tensile strength. Their standardized UNC threading ensures compatibility with industrial components, while the 4-3/4" length accommodates thick assemblies. Though lacking integrated electronics, screens, or communication interfaces, they excel in high-stress environments with vibration resistance. Drawbacks include limited availability due to non-standard sizing. Ideal for corrosion-resistant applications requiring robust mechanical fasteners without power or connectivity.
Parameter Specification
Thread Size 5/16-18 UNC
Fastener Type Machine Screw / Bolt
Shank Length 4-3/4 Inch (4.75")
Major Diameter 0.3125 Inch
Threads per Inch 18 TPI
Material Stainless Steel/Alloy Steel
Head Style Hex Head / Pan Head
Finish Plain / Zinc Plated
Drive Type Hex Socket / Phillips
Strength Grade Grade 2 / Grade 5
Nut Compatibility 5/16-18 UNC Hex Nut
Applications Machinery Assembly, Automotive, Construction
question:Why are shipping costs so high? Are there more economical delivery options?
answer:Costs vary by carrier and destination. We can suggest cost-effective options upon request.
question:Can you provide upgraded or alternative product models?
answer:Yes, we offer various models. Share your specifications for tailored recommendations.
question:What payment terms do you accept for international orders?
answer:We accept T/T, L/C, and PayPal. Confirm your preferred method for seamless processing.
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 more economical delivery options?
answer:Costs vary by carrier and destination. We can suggest cost-effective options upon request.
question:Can you provide upgraded or alternative product models?
answer:Yes, we offer various models. Share your specifications for tailored recommendations.
question:What payment terms do you accept for international orders?
answer:We accept T/T, L/C, and PayPal. Confirm your preferred method for seamless processing.
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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