S-90210A312 3/8"-16 x 2" Thumb Screws

Key Features & Benefits at a Glance

• High-torque manual operation with a 1 1/4" knurled head for secure grip and easy hand tightening without tools
• Superior corrosion resistance thanks to black-oxide steel coating, extending service life in harsh industrial environments
• Reliable swivel tip design with 10° maximum angle and 5/16" diameter to prevent surface damage and ensure even pressure distribution
• Robust 70,000 PSI tensile strength for heavy-duty applications, providing dependable load-bearing capacity
• Precise UNC coarse threading (3/8"-16) with Class 2A fit for quick installation and secure fastening in various materials
• Fully threaded 2" length offers maximum adjustability and holding power across the entire shank
• Removable swivel tip allows for easy replacement and maintenance, reducing downtime and costs

Professional Applications & Engineering Value

This black-oxide steel thumb screw is engineered to address common industrial challenges like frequent adjustments and corrosion in demanding settings. The low-profile round head with deep knurling ensures slip-resistant manual operation, ideal for machinery access panels, electronic enclosures, and fixtures requiring tool-free maintenance. Its UNC coarse threads and Class 2A fit provide rapid engagement and vibration resistance, while the removable swivel tip minimizes marring on sensitive surfaces—perfect for assembly lines, automotive jigs, and testing equipment. With a 70,000 PSI tensile strength and black-oxide finish, it delivers long-term reliability in humid or abrasive environments, reducing replacement frequency and maintenance costs.

Specification Summary & Compliance

This thumb screw adheres to UNC 3/8"-16 coarse thread standards with Class 2A thread fit for consistent dimensional accuracy. It is fully threaded and right-hand oriented, meeting common industrial specifications. The product is RoHS 3 (2015/863/EU) compliant under exemption 6(a)-I for lead as an alloying element in steel, ensuring environmental regulatory adherence for global supply chains.