S-90165A632 Length 5/16" Thumb Screws

Key Features & Benefits at a Glance

• Superior chemical resistance for reliable performance in harsh environments where metal fasteners would corrode
• Lightweight design reduces overall assembly weight without compromising strength or functionality
• Excellent dimensional stability ensures consistent fit and prevents loosening under vibration or thermal changes
• Corrosion-free operation eliminates rust concerns and maintenance needs in humid or chemical-exposed applications
• Wide thread compatibility with 1/2"-13 threads provides versatile installation across various equipment and components
• Full regulatory compliance with RoHS 3 and REACH standards ensures safe use in regulated industries and global markets
• Ergonomic thumb design allows for quick hand-tightening and adjustments without requiring tools

Professional Applications & Engineering Value

This Acetal Plastic Thumb Screw delivers critical engineering advantages in applications where chemical resistance, electrical insulation, and weight reduction are paramount. The Acetal (POM) material provides exceptional stability against solvents, fuels, and cleaning agents, making it ideal for chemical processing equipment, laboratory instruments, and food-grade machinery. Its non-conductive properties prevent electrical shorts in electronic enclosures and control panels, while the 1/2"-13 thread ensures secure fastening in standard mounting applications. The thumb screw design enables rapid access for maintenance and calibration procedures, significantly reducing downtime in industrial settings where frequent adjustments are necessary.

Specification Summary & Compliance

This thumb screw features precise 5/8" diameter with 5/16" length dimensions and is engineered for 1/2"-13 thread compatibility. Manufactured from high-grade Acetal plastic (POM) for consistent mechanical properties and dimensional accuracy. The product is fully compliant with RoHS 3 (2015/863/EU) regulations and REACH (EC 1907/2006) standards, including the latest SVHC requirements, ensuring environmental safety and regulatory acceptance for industrial and commercial applications worldwide.