S-90165A642 Length 13/32" Thumb Screws

Key Features & Benefits at a Glance

• Superior chemical resistance from acetal plastic material prevents degradation from solvents, oils, and industrial chemicals
• Lightweight construction reduces component weight while maintaining structural integrity for repeated hand-tightening applications
• Corrosion-free performance eliminates rust concerns in humid or chemical-exposed environments
• Precision 5/8"-11 thread engagement ensures secure fastening without cross-threading in compatible components
• Ergonomic thumb head design enables quick installation and adjustment without requiring tools
• Environmental compliance assurance meets RoHS 3 and REACH standards for restricted substance control
• Excellent dimensional stability maintains tight tolerances across temperature variations and mechanical stress

Professional Applications & Engineering Value

This acetal plastic thumb screw delivers exceptional value in applications where metal fasteners would introduce corrosion, conductivity, or contamination risks. The POM (polyoxymethylene) material provides outstanding mechanical strength and fatigue resistance, making it ideal for frequent adjustment applications in electrical enclosures, laboratory equipment, and food processing machinery. The 5/8"-11 thread specification ensures reliable engagement in standard components while the chemical-resistant properties prevent degradation from industrial cleaners, lubricants, and processing chemicals. This lightweight plastic fastener eliminates galvanic corrosion concerns when used with dissimilar metals and provides excellent electrical insulation properties for sensitive electronic assemblies.

Specification Summary & Compliance

This thumb screw features precision 5/8"-11 UNC thread form with standard Class 2A tolerance for reliable engagement. Manufactured from acetal copolymer (POM) with dimensions of 3/4" diameter head and 13/32" length under shoulder. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting the latest environmental regulations for restricted substances. The manufacturing process ensures consistent dimensional accuracy and mechanical properties suitable for industrial thumb screw applications.