S-92088A133 1/2"-20 Thumb Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black Oxide 18-8 Stainless Steel construction, ideal for harsh industrial environments
• Excellent hand-tightening capability thanks to the knurled round head design for secure grip without tools
• Precise thread engagement with Class 2B fine UNF threading ensuring reliable, vibration-resistant fastening
• Full-threaded design provides consistent clamping force and easier installation across the entire length
• Optimal dimensional stability with 5/8" collar diameter and 15/16" height for balanced load distribution
• Compliance with global standards including REACH and RoHS 3, meeting stringent environmental and safety regulations
• Right-hand threading compatibility with standard 1/2"-20 UNF systems for seamless integration into existing assemblies

Professional Applications & Engineering Value

This 1/2"-20 UNF thumb nut delivers exceptional performance in demanding industrial settings where tool-free adjustments and corrosion resistance are critical. The Black Oxide 18-8 Stainless Steel material provides enhanced durability against moisture and chemicals, while the knurled round head (1 1/8" diameter) ensures positive grip even with gloved hands. The fully threaded construction and Class 2B fine threading prevent loosening under vibration, making it ideal for machinery, electrical enclosures, and assembly jigs requiring frequent maintenance. Its right-hand thread direction and standardized UNF thread type facilitate quick replacements, reducing downtime in production environments.

Specification Summary & Compliance

Manufactured to precise inch system dimensions including 5/8" collar diameter and 15/16" height. Thread specifications adhere to 1/2"-20 UNF fine threading with Class 2B thread fit for consistent accuracy. Compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental standards, ensuring safe usage across regulated industries.