S-91830A716 3/8"-16 x 3/4" Thumb Screws

Key Features & Benefits at a Glance

• Superior hand-tightening grip with a large 1-3/8" diameter knurled head for secure, tool-free operation in tight spaces.
• Exceptional corrosion resistance provided by 18-8 Stainless Steel, ensuring long-term reliability in demanding environments.
• High mechanical strength with 80,000 psi tensile strength and Rockwell B83 hardness to withstand significant loads without stripping or failing.
• Quick and easy installation due to the UNC coarse 3/8"-16 thread with a Class 2A fit, offering smooth engagement and reliable fastening.
• Maximum thread engagement from being fully threaded along its 3/4" length, providing versatile and secure fastening points.
• Compliance with strict environmental standards, including RoHS 3 and REACH, making it suitable for regulated industries and global supply chains.
• Durable, raised round-head profile designed for repeated use and easy identification in industrial assemblies.

Professional Applications & Engineering Value

This 3/8"-16 UNC Thumb Screw is engineered to solve common industrial challenges where tool-free, rapid adjustments and access are critical. The 18-8 Stainless Steel construction provides excellent resistance to rust and corrosion, making it ideal for applications in electronics, machinery panels, and outdoor equipment that face moisture or chemicals. The knurled head offers a non-slip surface, ensuring a firm grip even with gloved hands, which enhances operator safety and efficiency. Its coarse threading and Class 2A fit allow for quick assembly and disassembly, reducing downtime in maintenance and production lines. This thumb screw is a reliable choice for securing access panels, jigs, and fixtures, delivering consistent performance in heavy-duty industrial settings.

Specification Summary & Compliance

This thumb screw adheres to precise dimensional standards, including a UNC 3/8"-16 thread with a Class 2A thread fit for consistent and reliable fastening. It is manufactured from 18-8 Stainless Steel and meets stringent environmental regulations, being fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring it is free from hazardous substances and suitable for global industrial use.