S-91746A756 1/4"-20 x 1 1/4" 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
- Effortless manual tightening and loosening with a knurled round head for superior grip in various conditions
- Exceptional corrosion resistance thanks to 18-8 Stainless Steel construction, ideal for harsh environments
- High mechanical strength and durability with 80,000 psi tensile strength and Rockwell B83 hardness
- Reliable and precise thread engagement with Class 2A UNC coarse threads for consistent performance
- Optimized for space-constrained applications due to its low-profile head and partial threading
- Secure and stable fastening with a right-hand thread direction suited for standard assembly processes
- Compliance with strict environmental regulations, including RoHS 3 and REACH, ensuring safe usage
Professional Applications & Engineering Value
This 1/4"-20 UNC Thumb Screw is engineered to address common industrial challenges such as frequent adjustments and exposure to corrosive elements. The 18-8 Stainless Steel material provides excellent resistance to rust and oxidation, making it suitable for outdoor equipment, marine hardware, and electronic enclosures. The knurled head offers a non-slip surface, allowing for quick manual operation without tools, which enhances efficiency in maintenance and assembly lines. Its partially threaded design and low-profile round head ensure a secure fit in tight spaces, reducing the risk of snagging. Ideal for applications in machinery, automotive, and consumer electronics, this thumb screw delivers reliable performance while meeting RoHS and REACH compliance for environmental safety.
Specification Summary & Compliance
This thumb screw adheres to UNC coarse thread standards with a Class 2A thread fit for precise dimensional accuracy. It is manufactured from 18-8 Stainless Steel, featuring a tensile strength of 80,000 psi and Rockwell B83 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets rigorous environmental and safety standards for industrial use.
