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Home Product 5/16-18*1-1/4 Coarse Thread Hex Bolt, [Brand] Grade 8 Heavy-Duty Fastener for Automotive Machinery
US hexagon socket head cap 5/16-18*1-1/4

5/16-18*1-1/4 Coarse Thread Hex Bolt, [Brand] Grade 8 Heavy-Duty Fastener for Automotive Machinery

5/16-18 Hex Bolts
1-1/4 Machine Screws
18 TPI Fastener Hardware
5/16-18*1-1/4
5/16-18 x 1-1/4 Hex Bolts, 1-1/4 Machine Screws with 18 TPI Threads, Durable Fastener Hardware for Industrial or Mechanical Use. Zinc-Plated Carbon Steel Construction.
Categories:Fasteners & Fixings
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Product Description

The 5/16-18 Hex Bolts, part of the 1-1/4 Machine Screws series, are precision-engineered fasteners featuring a 5/16-inch diameter, 1-1/4-inch length, and 18 TPI (Threads Per Inch) for optimal thread engagement. Designed for industrial applications such as machinery assembly, automotive components, and structural frameworks, these Grade 5 hardware pieces deliver high tensile strength and corrosion resistance. Compatible with standard hex wrenches, they operate reliably in temperatures ranging from -50°F to 250°F (-45°C to 121°C) and withstand up to 120 ksi tensile loads. Advantages include robust torque retention and vibration resistance, though prolonged exposure to acidic environments may reduce durability. Ideal for medium-duty mechanical joints requiring secure fastening with minimal maintenance.
Parameter Specification
Thread Size 5/16-18 UNC
Thread Pitch 18 TPI
Fastener Type Hex Head Machine Screw
Shank Length 1-1/4 inch
Drive Style Hexagonal
Material Standard ASTM A307 / SAE J429
Head Height 0.196 inch
Thread Engagement Full Thread
Nut Size Compatibility 5/16-18 Hex Nut
Wrench Size 1/2 inch
question:How do I pay you? (We support TT, Paypal, etc.)
answer:We accept TT, Paypal, and other major payment methods globally.
question:Do you provide technical selection services?
answer:Yes, we offer technical consultation to help you select suitable products.
question:Why can other suppliers source discontinued models you cannot provide?
answer:Suppliers may use old stock or non-authorized channels, while we prioritize genuine and reliable inventory.
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 I pay you? (We support TT, Paypal, etc.)
answer:We accept TT, Paypal, and other major payment methods globally.
question:Do you provide technical selection services?
answer:Yes, we offer technical consultation to help you select suitable products.
question:Why can other suppliers source discontinued models you cannot provide?
answer:Suppliers may use old stock or non-authorized channels, while we prioritize genuine and reliable inventory.
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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