S-91830A302 8-32 x 3/8" 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
- Effortless hand-tightening with a 1/2" diameter knurled head for superior grip in tight spaces or when tools are unavailable
- Exceptional corrosion resistance provided by 18-8 Stainless Steel, ideal for harsh environments and ensuring long-term reliability
- High mechanical strength with 80,000 psi tensile strength and Rockwell B83 hardness to withstand heavy-duty applications without stripping or breaking
- Precise and reliable threading with a Class 2A UNC coarse thread fit, ensuring smooth installation and secure fastening every time
- Full-threaded right-hand design for maximum engagement and holding power along the entire 3/8" length
- Raised round head profile with integrated collar for enhanced stability and a professional finish in assemblies
- Compliance with stringent environmental regulations including RoHS 3 and REACH, making it safe for global industrial use
Professional Applications & Engineering Value
This 8-32 UNC thumb screw is engineered to solve common industrial challenges where quick access, frequent adjustments, and reliable fastening are critical. The 18-8 Stainless Steel construction offers excellent resistance to rust and oxidation, making it suitable for electronics enclosures, machinery panels, and laboratory equipment exposed to moisture or chemicals. The knurled head texture ensures a secure grip even with oily hands or gloves, reducing installation time and improving operator safety. Its fully threaded right-hand coarse thread design allows for rapid assembly and disassembly, while the Class 2A thread fit guarantees consistent performance in high-vibration environments. This thumb screw delivers both convenience and durability, minimizing maintenance needs in industrial, automotive, and aerospace applications.
Specification Summary & Compliance
This thumb screw adheres to UNC thread standards with a Class 2A thread fit for precise 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, ensuring it is free from hazardous substances and suitable for use in regulated industries worldwide.
