S-92952A230 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Enhanced manual grip and slip resistance with a fully knurled round head for secure hand-tightening in tight or oily conditions.
• Superior corrosion resistance and durability thanks to 18-8 Stainless Steel construction, ideal for harsh industrial environments.
• Precise component alignment and spacing ensured by the accurate 5/8" shoulder with minimal diameter and length tolerances.
• High mechanical strength and load-bearing capability with a tensile strength of 70,000 psi and Rockwell B83 hardness.
• Reliable and quick coarse thread engagement using the 8-32 UNC thread with Class 2A fit for consistent fastening performance.
• Broad compatibility and easy installation with a standard hex drive and right-hand thread direction for common tooling.
• Compliance with strict environmental regulations including RoHS 3 and REACH, ensuring safe use in regulated industries.

Professional Applications & Engineering Value

This 18-8 Stainless Steel Thumb Screw is engineered to solve critical challenges in assembly and maintenance where tools are impractical or speed is essential. The knurled round head provides exceptional manual grip, reducing installation time and preventing slippage in high-vibration or greasy environments. Its 5/8" shoulder offers precise alignment for components like gears, pulleys, and electronic panels, minimizing misalignment and wear. The 8-32 UNC coarse thread ensures rapid engagement and disassembly, while the stainless steel material delivers excellent corrosion resistance, making it ideal for outdoor equipment, food processing machinery, and electronic enclosures. This combination of features enhances operational efficiency and reduces long-term maintenance costs in demanding industrial applications.

Specification Summary & Compliance

This thumb screw adheres to precise dimensional standards, including a Class 2A thread fit for consistent fastening and a shoulder diameter tolerance of -0.001" to 0" with length tolerance of 0" to 0.002". It conforms to UNC thread standards and is manufactured from 18-8 Stainless Steel with a hardness of Rockwell B83 and tensile strength of 70,000 psi. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for global industrial use.