S-91746A554 6-48 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 demanding industrial environments
- Enhanced grip and torque application thanks to the fully knurled round head design for easy manual tightening
- Exceptional holding power with a high 80,000 psi tensile strength and Rockwell B83 hardness for reliable, long-term performance
- Precise, secure fastening in fine-pitch applications due to the 6-48 extra fine UNS thread and Class 2A fit
- Maximum thread engagement from the fully threaded 3/4" length, providing superior grip in thin materials
- Streamlined compliance for global markets with RoHS 3 and REACH environmental regulations met
- Space-saving installation with a narrow profile round head, perfect for compact assemblies
Professional Applications & Engineering Value
This 6-48 extra fine thread thumb screw delivers critical performance in applications requiring frequent adjustments and high reliability. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, making it suitable for electronics, instrumentation, and outdoor equipment. The fully knurled round head ensures a non-slip grip, allowing for quick tool-free operation in tight spaces. Its extra fine thread and Class 2A thread fit offer superior vibration resistance and precise alignment in fine-pitch components, reducing the risk of stripping in soft materials. This combination of durability, ease of use, and precision makes it an essential component for maintenance-heavy and high-vibration industrial environments.
Specification Summary & Compliance
This thumb screw features a 6-48 UNS extra fine thread with a Class 2A thread fit for precise dimensional accuracy. The thread diameter is 0.138" and the screw is fully threaded along its 3/4" length. It is manufactured from 18-8 Stainless Steel and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring it meets stringent international standards for hazardous substance restrictions.
