S-95868A258 4-40 x 3/8" Plastic Socket Head Screws
Plastic Socket 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
- Superior chemical resistance from nylon plastic construction, ideal for harsh industrial environments.
- Excellent electrical insulation properties for safe use in electrical assemblies and sensitive components.
- Broad operating temperature range from -40°F to 140°F, ensuring performance stability in varied conditions.
- Reliable fastening with Class 2A thread fit providing consistent engagement and ease of assembly.
- Convenient 3/32" hex drive socket head allows for secure tool engagement in confined spaces.
- Fully threaded 4-40 UNC coarse thread design offers maximum grip and holding power.
- RoHS 3 compliance ensures environmental safety and meets international regulatory standards.
Professional Applications & Engineering Value
These nylon plastic socket head cap screws are engineered to address critical needs in electrical insulation and corrosion-prone environments. The 4-40 UNC coarse thread and Class 2A fit ensure precise, reliable fastening in assemblies where metal fasteners could cause short circuits or galvanic corrosion. Made from durable nylon, they provide inherent resistance to many chemicals, oils, and solvents, making them suitable for automotive, electronics, and marine applications. The socket head design with a 3/32" hex drive facilitates installation in tight spaces, while the fully threaded body maximizes load distribution. Operating reliably from -40°F to 140°F, these screws deliver consistent performance where thermal stability is crucial.
Specification Summary & Compliance
This fastener adheres to UNC thread standards with a 4-40 thread size and Class 2A thread fit for dimensional accuracy. It features a coarse thread spacing, right-hand thread direction, and is fully threaded along the 3/8" length. Compliance with RoHS 3 (2015/863/EU) is confirmed, ensuring the product is free from hazardous substances. Manufactured to precise inch system measurements, including a head diameter of 0.183" and head height of 0.112", it meets industry expectations for reliability in specialized applications.
