S-99477A115 10-24 x 1/2" ASME B18.3, UL 94 HB 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
- Corrosion-resistant polypropylene construction ensures reliable performance in humid or chemical environments without rust or galvanic corrosion
- 4500 psi tensile strength provides dependable holding power for medium-duty plastic assembly applications
- Wide temperature tolerance (-20° to 180°F) maintains structural integrity across various operating conditions
- Class 2A thread fit with UNC coarse threading delivers smooth installation and secure fastening in plastic components
- Hex socket drive design enables precise torque application and flush mounting in confined spaces
- Comprehensive compliance certifications including ASME B18.3, RoHS 3, and REACH ensure material safety and standardization
- Non-conductive plastic material eliminates electrical conductivity concerns in sensitive electronic assemblies
Professional Applications & Engineering Value
This 10-24 UNC socket head cap screw delivers exceptional value in applications where metal fasteners are unsuitable. The polypropylene plastic construction prevents galvanic corrosion when joining dissimilar materials and eliminates electrical conductivity risks in electronic enclosures. With its coarse UNC threading and Class 2A thread fit, this fastener provides superior pull-out resistance in plastic substrates while maintaining easy installation. The hex drive system allows for precise torque control during assembly, reducing the risk of material stress or stripping. Ideal for industrial plastic fastening in electrical equipment, food processing machinery, and chemical handling systems where corrosion resistance and material compatibility are critical engineering considerations.
Specification Summary & Compliance
This socket head cap screw features precise Class 2A thread fit tolerances with UNC coarse threading (10-24 thread size) and complies with ASME B18.3 manufacturing specifications. The fastener maintains dimensional accuracy with a 5/32" hex drive size, 1/2" length, and standard socket head profile. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring material safety and restricted substance compliance for industrial applications worldwide.
