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Home Product 1/4-20-4-1/2 Threaded Rod Coupler Zinc Plated Heavy Duty Fastener for Machinery Repair
US hexagon socket head cap 1/4-20-4-1/2

1/4-20-4-1/2 Threaded Rod Coupler Zinc Plated Heavy Duty Fastener for Machinery Repair

1/4-20-4-1/2 Bolts
1/4-20 Threaded Fasteners
1/4-20 Machine Screws
1/4-20-4-1/2
1/4-20-4-1/2 Bolts with 4-1/2 inch length, zinc-plated grade 4 steel threaded fasteners for industrial applications. 1/4-20 machine screws offer high tensile strength, corrosion-resistant finish, and precise threading for secure fastening in machinery, construction, and automotive assembly.
Categories:Fasteners & Fixings
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Product Description

The 1/4-20-4-1/2 Bolts are precision-engineered 1/4-20 Threaded Fasteners designed for robust mechanical assemblies requiring high tensile strength and reliable threading. These 1/4-20 Machine Screws feature a 1/4-inch diameter with 20 threads per inch, a 4-inch shank length, and a 1/2-inch threaded portion for optimal grip and alignment. Constructed from Grade 5 carbon steel, they offer a tensile strength of 120,000 PSI and corrosion-resistant zinc plating, suitable for industrial applications including automotive, machinery, and structural frameworks. Operating within a temperature range of -40°F to 250°F, these fasteners ensure stability under demanding conditions. Key advantages include uniform thread geometry for vibration resistance, compatibility with standard 1/4-20 nuts, and a flat-tip design for flush mounting. Limitations include limited compatibility with non-metallic substrates. No integrated electronics or communication interfaces are included, as they serve purely mechanical anchoring purposes.
Parameter Specification
Product Type 1/4-20-4-1/2 Bolts
Thread Size 1/4-20 UNC
Thread Pitch 20 TPI
Diameter (Nominal) 0.250"
Fastener Length 0.500"
Material Grade Grade 4
Head Style Hex Head
Drive Type External Hex
Surface Finish Zinc Plated
Standards Compliance ASTM A307
Application Class 1/4-20 Threaded Fasteners
Screw Category 1/4-20 Machine Screws
question:What payment methods do you accept?
answer:We accept TT, PayPal, and other mainstream payment methods.
question:Can you provide shipment photos and product details?
answer:Yes, we provide shipment photos, product details, and purchase dates upon request.
question:What shipping methods do you offer?
answer:We offer DHL, FedEx, UPS, and other major shipping options.
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 payment methods do you accept?
answer:We accept TT, PayPal, and other mainstream payment methods.
question:Can you provide shipment photos and product details?
answer:Yes, we provide shipment photos, product details, and purchase dates upon request.
question:What shipping methods do you offer?
answer:We offer DHL, FedEx, UPS, and other major shipping options.
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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