S-91185A535 5/16"-24 x 1 1/2" 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
- Secure, tool-free tightening with a knurled acetal plastic head for enhanced grip and operator comfort during repeated adjustments.
- Superior corrosion resistance provided by 18-8 Stainless Steel construction, ensuring long-term reliability in various environments.
- Precision fit and high load-bearing capability due to the 5/16"-24 UNF Class 3A fine thread, minimizing the risk of cross-threading and vibration loosening.
- Low-profile, space-saving design ideal for applications with limited clearance while maintaining easy manual operation.
- Durable performance across a wide temperature range (32° to 180° F) thanks to the robust acetal plastic head material.
- Full threading for maximum engagement along the 1-1/2" length, providing consistent clamping force and stability.
- Compliance with stringent environmental regulations including RoHS 3 and REACH, ensuring safety and sustainability in your operations.
Professional Applications & Engineering Value
This low-profile thumb screw is engineered to solve common industrial challenges where tool-less, frequent adjustments are required. The combination of a 18-8 stainless steel body and a knurled acetal plastic head delivers exceptional durability and user comfort, resisting corrosion and withstanding operational temperatures from 32° to 180°F. The 5/16"-24 UNF fine thread with a Class 3A fit ensures precise, secure fastening in sensitive assemblies, reducing the risk of thread damage. Ideal for use in electronics enclosures, machinery panels, and instrumentation, this fully threaded screw provides reliable performance in industrial applications, streamlining maintenance and improving operational efficiency without compromising on compliance or quality.
Specification Summary & Compliance
This thumb screw adheres to the Inch system with a 5/16"-24 UNF thread size and a precision Class 3A thread fit for high dimensional accuracy. It is fully threaded with a right-hand thread direction and constructed from 18-8 Stainless Steel with an Acetal Plastic head. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring it meets rigorous safety and regulatory requirements for industrial use.
