S-93585A190 1/4"-20 x 3/4" Thumb Screws
Thumb Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional hand-tightening grip thanks to the 5/8" knurled head and high-profile design for slip-resistant operation
- High mechanical strength with 80,000 psi tensile strength and Rockwell B83 hardness for reliable, repeated use
- Quick and easy installation with fully threaded 1/4"-20 UNC coarse spacing and right-hand thread direction
- Precise thread fit with Class 2A tolerance ensuring smooth engagement and consistent performance
- Broad compatibility with standard UNC threaded components, reducing assembly time and inventory complexity
- Compliant with environmental regulations including RoHS 3 and REACH, meeting global supply chain requirements
Professional Applications & Engineering Value
This 18-8 stainless steel thumb screw is engineered to solve common assembly challenges in industrial settings where tool-free fastening is essential. The high-profile round head with deep knurled texture provides maximum torque application by hand, eliminating the need for tools in frequent access panels, machinery guards, or electronic enclosures. Its fully threaded 1/4"-20 UNC coarse spacing ensures rapid installation and secure holding power in right-hand thread applications. The combination of 80,000 psi tensile strength and corrosion-resistant material makes it ideal for demanding environments such as manufacturing equipment, automotive assemblies, and outdoor instrumentation, reducing maintenance downtime and enhancing operational efficiency.
Specification Summary & Compliance
This thumb screw features a 1/4"-20 UNC thread with Class 2A thread fit for precise dimensional accuracy and reliable engagement. It is manufactured from 18-8 stainless steel with a hardness of Rockwell B83 and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material sustainability in industrial applications.
