S-93585A194 1/4"-20 x 1 1/4" Thumb Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments
• Exceptional grip and torque application thanks to the knurled, high-profile round head design
• High mechanical strength with 80,000 psi tensile strength and Rockwell B83 hardness for demanding applications
• Reliable and easy engagement with a fully threaded 1/4"-20 UNC coarse thread and Class 2A fit
• Quick, tool-free installation and removal enabled by the right-hand thumb screw head
• Broad industrial compliance meeting RoHS 3 and REACH environmental regulations
• Durable, long-lasting performance in applications requiring repeated manual adjustments

Professional Applications & Engineering Value

This 1/4"-20 thumb screw is engineered to solve common challenges in industrial assembly and maintenance. The 18-8 Stainless Steel material provides excellent resistance to rust and corrosion, making it suitable for use in moist or chemically aggressive environments. The knurled, high-profile round head offers maximum surface contact and a non-slip grip, allowing operators to apply significant torque by hand without tools—even when wearing gloves. This is critical in machinery, electronics, and automotive applications where frequent access panels or components need secure, yet easily adjustable, fastening. The fully threaded UNC coarse thread ensures rapid installation and a secure hold in a wide range of materials, reducing assembly time and improving operational efficiency.

Specification Summary & Compliance

This thumb screw features a 1/4"-20 UNC coarse thread with a Class 2A thread fit for consistent, reliable engagement. It is manufactured from 18-8 Stainless Steel and is fully threaded for maximum holding power. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets strict environmental and safety standards for industrial components.