S-91221A159 10-32 x 3/4" 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
- Exceptional strength-to-weight ratio with 17,000 psi tensile strength for reliable performance in demanding applications
- Superior chemical and corrosion resistance thanks to glass-filled nylon construction, eliminating rust concerns
- Wide temperature tolerance from -40° to 200°F maintains integrity across diverse operating environments
- Precision Class 2A thread fit ensures smooth installation and secure fastening in UNF fine-thread applications
- Standard hex socket drive with 5/32" size provides secure tool engagement and reduced cam-out risk
- Lightweight non-conductive properties ideal for electrical/electronic assemblies where metal fasteners pose risks
- Full regulatory compliance including ASME B18.3, RoHS 3, and REACH for global manufacturing acceptance
Professional Applications & Engineering Value
Engineered for precision assemblies requiring non-metallic fastening solutions, this glass-filled nylon socket head cap screw delivers critical performance where metal fasteners fail. The 10-32 UNF fine threading provides superior holding power in softer materials and vibration-prone environments, while the black glass-filled nylon construction offers excellent dimensional stability and resistance to chemicals, fuels, and solvents. Ideal for electrical enclosures, automotive components, and food processing equipment, these screws eliminate galvanic corrosion concerns and provide electrical insulation. The standard hex drive ensures consistent torque application without stripping, making them perfect for high-volume assembly operations where reliability and repeatability are paramount.
Specification Summary & Compliance
This socket head cap screw features precision Class 2A thread fit with 10-32 UNF fine threading and right-hand direction. Manufacturing conforms to ASME B18.3 specifications for dimensional accuracy and performance. The product is fully compliant with RoHS 3 (2015/863/EU) for hazardous substance restrictions and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and global market acceptance. All dimensional tolerances meet industrial standards for consistent performance in professional applications.
