S-91221A142 6-32 x 3/4" ASME B18.3, UL 94 HB Plastic Socket Head Screws

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 structural integrity in varying environmental conditions
• Precision Class 2A thread fit ensures smooth installation and secure fastening with reduced cross-threading risk
• Standard 7/64" hex drive compatibility provides familiar tooling interface for efficient assembly and maintenance
• Fully threaded design offers maximum grip length and adjustment flexibility throughout the fastener
• Regulatory compliance assurance with RoHS 3, REACH, and ASME B18.3 standards for global industrial acceptance

Professional Applications & Engineering Value

These glass-filled nylon socket head cap screws deliver critical advantages in applications where metal fasteners fall short. The black plastic construction provides inherent electrical insulation and non-magnetic properties, making them ideal for electronic enclosures, medical devices, and food processing equipment. The 6-32 UNC coarse thread configuration ensures rapid assembly while maintaining holding power in plastic and soft material applications. With 17000 psi tensile strength and temperature resistance from -40° to 200°F, these fasteners withstand thermal cycling and mechanical stress without compromising performance. The socket head design with 7/64" hex drive allows for high torque application in confined spaces, solving accessibility challenges in complex assemblies while preventing galvanic corrosion in mixed-material environments.

Specification Summary & Compliance

This 3/4" length socket head cap screw features precision Class 2A thread fit with 6-32 UNC coarse threads in right-hand direction. Manufactured to ASME B18.3 specifications with standard socket head profile and fully threaded rod type. The fastener demonstrates compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and workplace safety. All dimensions conform to inch system measurement standards with head diameter of 0.226" and head height of 0.138" for consistent performance across industrial applications.