S-92929A221 1/4"-20 x 5/8" 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 and chemical resistance due to nylon plastic construction, eliminating rust issues in harsh environments
- Secure flush-mount installation with standard flat head profile and 82° countersink angle for smooth, even surfaces
- Reliable coarse thread engagement with UNC 1/4"-20 threading and Class 2A fit for quick assembly and vibration resistance
- Broad temperature compatibility from -40°F to 185°F, maintaining integrity across diverse operating conditions
- Electrical insulation properties ideal for preventing short circuits in electronic and electrical assemblies
- Lightweight design advantage reducing overall component weight without sacrificing fastening strength
- Full regulatory compliance meeting ASME B18.6.3 specifications and RoHS 3 environmental standards
Professional Applications & Engineering Value
This nylon flat head slotted screw delivers exceptional engineering value where metal fasteners would compromise performance. The durable nylon plastic construction provides inherent corrosion resistance, making it ideal for chemical processing, marine, and outdoor applications where moisture and corrosive elements are concerns. The fully threaded UNC coarse thread design ensures maximum grip strength in plastic, wood, and soft materials, while the 82° countersink angle creates seamless flush mounting in panels and enclosures. Particularly valuable in electrical insulation applications, these screws prevent galvanic corrosion and electrical conduction issues. The temperature resistance from -40° to 185° F maintains dimensional stability across industrial environments, from refrigeration systems to automotive components.
Specification Summary & Compliance
Manufactured to precise inch system dimensions with Class 2A thread fit tolerance for consistent performance. Features 1/4"-20 UNC coarse threads with right-hand direction and full threading along the 5/8" length. Complies with ASME B18.6.3 mechanical standards and RoHS 3 (2015/863/EU) environmental regulations, ensuring quality and safety compliance for industrial applications.
