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Home Product Model 1/4-20*5/8 | Anchor Bolt | BoltMaster Series | Galvanized Steel for Structural Fastening
US hexagon socket head cap 1/4-20*5/8

Model 1/4-20*5/8 | Anchor Bolt | BoltMaster Series | Galvanized Steel for Structural Fastening

1/4-20 UNC screws
5/8 inch bolts
1/4-20 threaded fasteners
1/4-20*5/8
1/4-20 x 5/8 Inch UNC Threaded Bolt, SAE/ASME compliant 1/4-20 UNC screws and 5/8 inch bolts for mechanical/industrial applications. Zinc-plated carbon steel 1/4-20 threaded fasteners with full thread engagement.
Categories:Fasteners & Fixings
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Product Description

The product is a high-precision 1/4-20 UNC screws and 5/8 inch bolts assembly, designed for robust mechanical fastening in industrial applications such as machinery, automotive systems, and structural frameworks. These 1/4-20 threaded fasteners feature a 0.25-inch nominal diameter with 20 threads per inch, paired with a 5/8-inch bolt length, ensuring secure connections under high stress. Constructed from corrosion-resistant steel with a tensile strength of 120 ksi, they operate reliably within temperatures of -40°F to 450°F (-40°C to 232°C). Compatible with standard hex wrenches, the fasteners support direct integration into modular systems requiring vibration resistance and durability. Ideal for heavy-duty environments, their primary limitations include mandatory alignment precision during installation and incompatibility with non-UNC threading tools. No electrical/communication interfaces or sensors are incorporated.
Parameter Specification
Thread Specification 1/4-20 UNC
Major Diameter 0.250 inches
Threads per Inch 20
Bolt Length 5/8 inch
Material Type Steel, Zinc-Plated
Head Style Hex Head
Drive Type Hex Drive
Surface Finish Plain or Coated
Thread Direction Right-Handed
Tensile Strength 74,000 PSI (Grade 2)
Hardness Rating RB 70-85
Compliance Standards ASTM F568
Torque Value 7.5 ft-lbs (Dry)
Thread Fit Class Class 2B
Unit Weight 0.02 lbs (approx.)
Temperature Range -20°F to +200°F
question:Why should I purchase from your company?
answer:We are Asia's leading industrial automation trader with 20+ years of experience, 85% repeat clients, and unwavering commitment to quality and reliability.
question:Can I arrange self-pickup via official courier?
answer:Logistics are typically handled by us to ensure tracking and after-sales service. Contact us for special self-pickup requests.
question:Received goods with cut labels. Why?
answer:Labels are removed as a brand protection measure. This does not affect product quality. Contact support if issues arise.
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 should I purchase from your company?
answer:We are Asia's leading industrial automation trader with 20+ years of experience, 85% repeat clients, and unwavering commitment to quality and reliability.
question:Can I arrange self-pickup via official courier?
answer:Logistics are typically handled by us to ensure tracking and after-sales service. Contact us for special self-pickup requests.
question:Received goods with cut labels. Why?
answer:Labels are removed as a brand protection measure. This does not affect product quality. Contact support if issues arise.
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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