S-92929A118 2-56 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
- Corrosion-resistant nylon construction eliminates rust and galvanic corrosion, ideal for harsh environments and electrical applications.
- Electrical non-conductivity provides inherent insulation, enhancing safety in electronic assemblies and preventing short circuits.
- Wide operating temperature range from -40° to 185° F ensures reliable performance and dimensional stability in varied thermal conditions.
- Standard 82° countersink angle allows for a flush, low-profile finish, improving aesthetics and reducing snag hazards.
- Coarse UNC thread with Class 2A fit offers faster installation and robust holding power in plastic and soft materials.
- ASME B18.6.3 compliance and RoHS 3 certification guarantee consistent quality, interchangeability, and environmental safety for regulated industries.
- Fully threaded design provides maximum grip and adjustment flexibility along the entire 1/2" length.
Professional Applications & Engineering Value
This 2-56 UNC flat head screw is engineered to solve critical challenges in industrial plastic fastening. Made from durable nylon plastic, it offers a lightweight, yet strong alternative to metal, preventing part damage in soft substrates. The slotted drive and coarse thread facilitate quick assembly, while the fully threaded body ensures superior pull-out resistance. Its non-conductive and corrosion-resistant properties make it indispensable in electrical enclosures, consumer electronics, and marine equipment, where metal fasteners would fail. The standard 82° countersink seamlessly integrates into chamfered holes, providing a secure, flush mount that meets precise ASME B18.6.3 specifications for reliable performance in demanding applications.
Specification Summary & Compliance
This flat head screw adheres to critical dimensional and performance standards. The UNC 2-56 thread is manufactured to a Class 2A fit per standard inch system tolerances, ensuring consistent thread engagement. It is fully threaded with a right-hand thread direction and meets the specifications outlined in ASME B18.6.3. The product is also verified to be RoHS 3 (2015/863/EU) Compliant, confirming it is free of hazardous substances for use in global markets.
