S-91746A557 6-48 x 1" 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 thanks to 18-8 Stainless Steel construction, ensuring long-term reliability in harsh environments.
- Exceptional grip and easy manual operation provided by the fully knurled round head, allowing for quick adjustments without tools.
- High mechanical strength with 80,000 psi tensile strength and Rockwell B83 hardness, offering dependable performance under load.
- Precise and secure fastening enabled by the 6-48 extra fine thread and Class 2A thread fit, minimizing the risk of loosening.
- Full threading for maximum engagement along the 1" length, providing consistent holding power across the entire fastener.
- Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safe and sustainable use in various industries.
- Right-hand thread design for standard installation, facilitating straightforward assembly and reducing installation time.
Professional Applications & Engineering Value
This 18-8 Stainless Steel Thumb Screw is engineered to address common industrial challenges such as frequent adjustments and exposure to corrosive elements. The knurled round head offers excellent tactile control, making it ideal for applications in electronics, machinery, and instrumentation where tool-free access is essential. Its extra fine 6-48 UNS thread provides fine adjustment capabilities and superior resistance to vibration loosening, crucial in precision assemblies. The fully threaded design ensures uniform stress distribution, enhancing durability in dynamic environments. By combining high tensile strength and corrosion resistance, this thumb screw delivers reliable performance in demanding settings like medical devices, aerospace components, and laboratory equipment, reducing maintenance needs and downtime.
Specification Summary & Compliance
This thumb screw adheres to Class 2A thread fit for consistent dimensional accuracy and smooth assembly. It meets UNS thread standards with a right-hand thread direction and extra fine spacing. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.
