S-91746A954 6-48 x 3/4" Thumb Screws
Thumb Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive 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 environments and frequent adjustments without rust degradation.
- Exceptional tensile strength rated at 80,000 psi, ensuring reliable, high-load fastening in demanding industrial applications.
- Enhanced user grip and torque application thanks to the fully knurled round head, allowing for easy hand-tightening without tools.
- Precise thread engagement with 6-48 extra fine UNS threads and Class 2A fit, providing secure, vibration-resistant connections in fine-pitch applications.
- Full thread coverage along the 3/4" length for maximum adjustability and holding power across the entire fastener.
- Consistent mechanical performance backed by Rockwell B83 hardness, offering durability and resistance to wear over repeated use.
- Compliance with global environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries and products.
Professional Applications & Engineering Value
This 18-8 Stainless Steel Thumb Screw is engineered to address common challenges in precision assembly and maintenance, where tool-less operation and corrosion resistance are critical. The extra fine 6-48 thread and Class 2A fit deliver tight, secure fastening in applications with limited space or where fine adjustments are necessary, such as in electronic enclosures, optical devices, and laboratory equipment. The fully knurled round head ensures a firm grip even with gloved hands, reducing installation time and improving safety. Made from durable stainless steel, it withstands exposure to moisture, chemicals, and temperature variations, making it a reliable choice for industrial, medical, and automotive settings that demand long-term, corrosion-resistant fastening solutions without compromising on performance.
Specification Summary & Compliance
This thumb screw features a 6-48 extra fine UNS thread with a Class 2A thread fit for precise dimensional accuracy, a thread diameter of 0.138", and a length of 3/4". It is fully threaded and right-hand oriented, manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global markets.
