S-90181A146 6-32 x 3/8" Thumb Screws

Key Features & Benefits at a Glance

• Effortless hand-tightening with the spade head design, eliminating the need for tools in quick assembly or adjustment scenarios.
• Superior durability and wear resistance thanks to the steel construction and Rockwell B55 hardness, ensuring a long service life in industrial environments.
• High mechanical strength with a tensile strength of 40,000 psi, providing reliable fastening under stress and vibration.
• Precise and reliable thread engagement from the Class 2A UNC coarse thread, facilitating faster assembly and reducing cross-threading risks.
• Full threading along the 3/8" length allows for maximum grip and adjustability in a variety of material thicknesses.
• Environmental and safety compliance by meeting RoHS 3 standards, making it suitable for use in regulated industries and global markets.
• Wide compatibility with standard 6-32 UNC threaded holes, ensuring easy integration into existing designs and equipment.

Professional Applications & Engineering Value

This 6-32 UNC thumb screw is engineered to solve common industrial challenges where tool-less access and frequent adjustments are required. The steel material, combined with a Rockwell B55 hardness and 40,000 psi tensile strength, ensures it withstands repetitive use and mechanical stress without stripping or failing. The spade head design offers excellent grip for manual tightening, making it ideal for applications in electronics enclosures, machinery panels, and prototyping setups where quick disassembly is crucial. Its fully threaded and coarse thread configuration provides secure fastening in softer materials or when vibration resistance is needed, reducing maintenance downtime and improving operational efficiency.

Specification Summary & Compliance

This thumb screw adheres to UNC thread standards with a Class 2A thread fit for consistent dimensional accuracy and interchangeability. It is manufactured to meet RoHS 3 (2015/863/EU) compliance, ensuring it is free from hazardous substances. Key specifications include a thread size of 6-32, a length of 3/8", and a right-hand thread direction, supporting reliable performance in various industrial fastening applications.