S-92929A219 1/4"-20 x 1/2" ASME B18.6.3 Plastic Slotted Flat Head Screws
Plastic Slotted Flat Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Excellent corrosion resistance due to nylon plastic construction, eliminating rust and reducing maintenance in harsh environments.
- Broad temperature tolerance from -40° to 185° F, ensuring reliable performance in varied thermal conditions without degradation.
- Secure and precise fastening with Class 2A thread fit and UNC coarse threads, providing consistent engagement and vibration resistance.
- Flush surface installation with a standard 82° countersink angle and flat head design, ideal for applications requiring a smooth finish.
- Full threading along the 1/2" length offers maximum grip and holding power across the entire fastener.
- Compliance with ASME B18.6.3 specifications guarantees dimensional accuracy and interchangeability for professional use.
- RoHS 3 compliance ensures environmental safety and adherence to strict regulatory standards for hazardous substances.
Professional Applications & Engineering Value
This 1/4-20 UNC nylon plastic flat head slotted screw is engineered to address common industrial challenges like corrosion, electrical insulation, and weight reduction. Made from durable nylon plastic, it resists chemicals and moisture, making it ideal for electrical enclosures, marine equipment, and food processing machinery where metal fasteners would fail. The fully threaded design and coarse UNC thread provide strong holding power in plastic or soft materials, while the slotted drive allows for easy installation with standard tools. Its ability to perform in temperatures from -40° to 185° F ensures reliability in outdoor or thermally variable settings, reducing replacement costs and downtime.
Specification Summary & Compliance
This screw features a 1/4"-20 UNC thread size with Class 2A thread fit for precise dimensional tolerance, ensuring consistent performance. It is manufactured in accordance with ASME B18.6.3 standards for flat head screws and is fully RoHS 3 (2015/863/EU) compliant, confirming it is free from hazardous substances. The product includes an 82° countersink angle and is fully threaded for uniform application across its 1/2" length.
