S-97424A140 3/16"-100 x 1" Thumb Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for demanding industrial environments
• Exceptional grip and torque application from the black acetal plastic knurled head, enabling easy hand-tightening without tools
• High tensile strength of 60,000 psi ensures reliable, vibration-resistant fastening in critical assemblies
• Precision ultra-fine thread (3/16"-100) with Class 3A fit for secure engagement in thin materials and fine adjustments
• Ball tip design minimizes cross-threading and protects sensitive surfaces during installation
• Full threading along the 1" length provides maximum adjustability and holding power
• Compliance with RoHS 3 and REACH ensures environmental safety and global regulatory acceptance

Professional Applications & Engineering Value

This 18-8 stainless steel thumb screw combines ultra-fine threading and a knurled acetal plastic head to solve common assembly challenges in electronics, instrumentation, and precision machinery. The Class 3A thread fit guarantees tight tolerances for vibration-prone applications, while the ball tip prevents damage to threaded inserts and delicate components. With a temperature resistance up to 180°F, it is suited for enclosures, panels, and adjustable fixtures where frequent manual access is required. The fully threaded design ensures consistent clamping force, making it a reliable choice for industrial thumb screw applications demanding both durability and user convenience.

Specification Summary & Compliance

This thumb screw adheres to UNS thread standards with a Class 3A thread fit for high precision. It features a 3/16"-100 ultra-fine thread, 1" length, and right-hand thread direction. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets international environmental and safety standards for industrial use.