S-99607A128 6-32 x 1" Thumb Screws

Key Features & Benefits at a Glance

• Enhanced Grip and Torque Application - Knurled round head with flared collar design ensures secure, tool-free tightening and loosening, reducing assembly time and hand fatigue.
• Superior Corrosion Resistance - Manufactured from 18-8 Stainless Steel, providing excellent durability and longevity in harsh or humid industrial environments.
• High Mechanical Strength - With a tensile strength of 80,000 psi and Rockwell B85 hardness, this screw reliably withstands high-stress applications without stripping or shearing.
• Precise and Reliable Thread Engagement - Class 2A thread fit and coarse UNC threading ensure easy starts, consistent performance, and reduced cross-threading risks in repetitive assemblies.
• Full Threading for Maximum Fastening Versatility - The 1" length is fully threaded, allowing for adjustable grip range and secure holding power across various material thicknesses.
• Broad Regulatory Compliance - Meets RoHS 3 and REACH standards, making it suitable for use in regulated industries including electronics, medical devices, and consumer goods.
• Optimized for Industrial Efficiency - Right-hand thread direction and standard 6-32 UNC size enable quick integration with existing components and tooling, streamlining production workflows.

Professional Applications & Engineering Value

This 6-32 UNC thumb screw is engineered to address common assembly challenges in industrial settings where tool-free access and reliable fastening are critical. The 18-8 Stainless Steel construction offers inherent corrosion resistance, ideal for applications in electronics enclosures, machinery panels, and outdoor equipment that face moisture or chemical exposure. The knurled head and flared collar provide an ergonomic, non-slip surface, enabling secure manual adjustments even with gloved hands—reducing the need for specialized tools and minimizing installation errors. With its coarse thread spacing and Class 2A fit, the screw ensures quick alignment and robust thread engagement in metals and plastics, enhancing assembly speed while maintaining vibration resistance. These features make it a dependable choice for maintenance panels, access doors, and frequently adjusted fixtures, where durability and user convenience are paramount.

Specification Summary & Compliance

This thumb screw adheres to UNC thread standards with a Class 2A thread fit for consistent dimensional accuracy and reliable performance. It is manufactured from 18-8 Stainless Steel and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, ensuring it is free of hazardous substances and suitable for global industrial and consumer applications.