S-97263A721 4-40 x 1" Plastic Round Head Slotted Screws
Plastic Round Head Slotted 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
- Superior corrosion resistance due to nylon plastic construction, ideal for harsh environments and eliminating rust concerns.
- Excellent electrical insulation properties for safe use in electronic assemblies and applications requiring non-conductive components.
- Broad temperature tolerance from -40° to 185° F, ensuring reliable performance in varied operational conditions.
- Easy installation and removal with a standard slotted drive and rounded head design, compatible with common hand tools.
- Reliable thread engagement provided by the Class 2A thread fit and coarse UNC thread, offering consistent fastening in plastic and soft materials.
- Full threading along the 1" length for maximum grip and adjustability in assemblies.
- Environmentally compliant and safe for regulated industries, meeting RoHS 3 (2015/863/EU) standards.
Professional Applications & Engineering Value
This 4-40 UNC nylon plastic screw with a rounded head and slotted drive is engineered to address common industrial challenges such as galvanic corrosion and electrical shorting. Made from durable nylon plastic, it provides inherent corrosion resistance and acts as an effective insulator, making it perfect for electronics, automotive, and industrial applications where metal fasteners are unsuitable. The coarse thread and fully threaded design ensure secure fastening in plastic housings and composite materials, reducing the risk of stripping. Its ability to perform across a wide temperature range from -40° to 185° F adds versatility for both indoor and outdoor uses, while the RoHS 3 compliance supports sustainable manufacturing practices.
Specification Summary & Compliance
This screw adheres to UNC thread standards with a 4-40 thread size and Class 2A thread fit, ensuring precise dimensional accuracy and interchangeability. It features a right-hand thread direction, coarse thread spacing, and is fully threaded for consistent performance. The product is compliant with RoHS 3 (2015/863/EU), confirming it is free from hazardous substances and suitable for global regulatory requirements.
