S-91746A868 8-32 x 1" Thumb Screws

Key Features & Benefits at a Glance

• Enhanced manual grip with knurled round head design for secure, tool-free tightening in industrial settings
• Superior corrosion resistance thanks to 18-8 stainless steel construction, ensuring longevity in harsh environments
• High mechanical strength with 80,000 psi tensile strength and Rockwell B85 hardness for reliable, heavy-duty fastening
• Precise thread engagement with Class 2A UNC coarse threads for easy alignment and reduced cross-threading risks
• Optimized partial threading allowing flexibility in application depth while maintaining secure hold
• Compliance with environmental regulations including RoHS 3 and REACH, supporting sustainable manufacturing practices
• Right-hand thread direction with standard coarse spacing for quick installation and removal in maintenance operations

Professional Applications & Engineering Value

This 8-32 UNC thumb screw is engineered to address common industrial fastening challenges, such as frequent adjustments and exposure to corrosive elements. The 18-8 stainless steel material provides excellent resistance to rust and oxidation, making it ideal for applications in electronics, machinery, and outdoor equipment where durability is critical. The knurled head offers a non-slip surface, enabling operators to apply sufficient torque without specialized tools, reducing assembly time and minimizing wear. With its partially threaded design and coarse thread spacing, it ensures quick, secure fastening in panels, brackets, and access covers, enhancing efficiency in maintenance and production lines. This screw delivers consistent performance in industrial thumb screw applications, combining user convenience with robust engineering.

Specification Summary & Compliance

This thumb screw adheres to UNC thread standards with a Class 2A thread fit for precise dimensional accuracy and reliable performance. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for global regulatory requirements. The manufacturing process follows industry norms for inch system measurements, with consistent thread diameter and spacing to guarantee interoperability in various assemblies.