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Home Product 1/4-20*1/2 Hex Head Machine Screw, Stainless Steel 18-8, Nylon Lock Patch, SAE
US hexagon socket head cap 1/4-20*1/2

1/4-20*1/2 Hex Head Machine Screw, Stainless Steel 18-8, Nylon Lock Patch, SAE

1/4-20 x 1/2 screws
1/4-20 hex bolts
1/4-20 threaded fasteners
1/4-20*1/2
1/4-20 x 1/2 screws and 1/4-20 hex bolts, threaded fasteners designed for secure fastening. Durable construction, hex head design, 1/4-inch diameter, 20 threads per inch (TPI), 1/2-inch shank length. Ideal for machinery, automotive, and construction applications requiring precision threaded connections.
Categories:Fasteners & Fixings
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Product Description

The 1/4-20*1/2 threaded fasteners are high-precision 1/4-20 hex bolts designed for robust mechanical connections in industrial automation, machinery, and structural assemblies. These 1/4-20 x 1/2 screws feature a 1/4-inch nominal diameter, 20 threads per inch, and 1/2-inch length, optimized for secure fastening in confined spaces. Compatible with standard 7/16" hex wrenches, they support torque ranges of 5-15 N·m and operate reliably in temperatures from -40°C to 120°C. Ideal for integrating with modular frameworks, these corrosion-resistant fasteners enable direct coupling with sensor mounts, control panels, and hydraulic/pneumatic components. Advantages include exceptional shear strength (up to 1,200 psi) and vibration resistance, though installation requires precise alignment. Embedded wireless monitoring variants (optional) feature 200mAh batteries for IoT connectivity, enabling real-time tension tracking via BLE 5.0 within 50m range.
Parameter Specification
Thread Size 1/4-20 UNC
Nominal Diameter 0.25 inches (1/4")
Threads per Inch 20 TPI
Length 0.5 inches (1/2")
Head Style Hex
Drive Type External Hex Drive
Material Grade Grade 2/5/8 Steel
Tensile Strength 74,000 - 150,000 PSI
Finish Zinc Plated, Plain, Hot-Dipped Galvanized
Hex Head Width 7/16" (0.4375")
question:Why can other suppliers find discontinued models while you can't?
answer:Other suppliers may use stock, refurbished parts, or unverified sources. We focus on current models ensuring quality and reliability.
question:Do you accept payment after delivery?
answer:No, we require advance payment or verified L/C for all orders to ensure secure transactions.
question:Do you offer technical selection support?
answer:Yes, we provide free consultation services to help clients choose suitable products based on technical requirements.
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 can other suppliers find discontinued models while you can't?
answer:Other suppliers may use stock, refurbished parts, or unverified sources. We focus on current models ensuring quality and reliability.
question:Do you accept payment after delivery?
answer:No, we require advance payment or verified L/C for all orders to ensure secure transactions.
question:Do you offer technical selection support?
answer:Yes, we provide free consultation services to help clients choose suitable products based on technical requirements.
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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