S-94567A360 8-32 x 5/8" Thumb Screws

Key Features & Benefits at a Glance

• Enhanced manual grip with 7/16" diameter knurled head for secure, tool-free tightening and loosening in confined spaces
• Lightweight yet durable construction using 6061 Aluminum with Rockwell B60 hardness, resisting corrosion and wear in industrial environments
• Reliable thread engagement with Class 2A UNC coarse threads ensuring consistent fit and reduced cross-threading risks during assembly
• High tensile strength of 40,000 psi provides robust clamping force for repeated adjustments without thread deformation
• Flared collar design increases bearing surface area, distributing pressure evenly and preventing surface damage
• Full threading along 5/8" length offers versatile positioning and deep penetration into tapped holes
• Compliance with RoHS 3 and REACH standards ensures environmental safety and meets global regulatory requirements for industrial components

Professional Applications & Engineering Value

This 8-32 UNC thumb screw is engineered to address common assembly challenges in electronics, machinery, and prototyping. The 6061 Aluminum construction combines lightweight properties with sufficient Rockwell B60 hardness, making it ideal for applications where weight reduction is critical without compromising durability. The knurled head texture and flared collar provide exceptional grip and stability, reducing installation time and minimizing tool dependency. Its coarse UNC threads with Class 2A fit ensure quick, secure fastening in vibration-prone environments, while the fully threaded design allows for adjustable depth in panel mounting and enclosure securing. This screw is particularly valuable in industries requiring frequent access, such as telecom racks, medical devices, and test equipment, where rapid maintenance and reliable performance are essential.

Specification Summary & Compliance

This thumb screw adheres to UNC thread standards with Class 2A thread fit for consistent dimensional accuracy. It meets RoHS 3 (2015/863/EU) compliance under exemption 6(b)-II for lead as an alloying element in aluminum, and is REACH (EC 1907/2006) compliant, ensuring it is free from hazardous substances as per the latest SVHC list. Manufacturing follows inch system specifications, including a 5/8" length, 8-32 thread size, and right-hand thread direction, suitable for standard industrial applications requiring reliable, reusable fastening solutions.