S-91746A848 6-32 x 1/2" 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
- Secure hand-tightening without tools thanks to the knurled round head design for superior grip in industrial environments
- Exceptional corrosion resistance and durability from 18-8 Stainless Steel construction, ideal for demanding applications
- High mechanical strength under load with 80,000 psi tensile strength and Rockwell B85 hardness for reliable performance
- Easy installation and precise fit with Class 2A thread fit and coarse UNC threading for quick assembly
- Versatile partial threading allows for adjustable clamping pressure on various material thicknesses
- Compliance with strict environmental regulations including RoHS 3 and REACH for global market acceptance
- Right-hand thread direction ensures standard, intuitive tightening for operators
Professional Applications & Engineering Value
This 6-32 UNC thumb screw delivers exceptional value in applications requiring frequent adjustments or tool-free operation. The 18-8 Stainless Steel material provides excellent corrosion resistance, making it suitable for electronics enclosures, machinery panels, and laboratory equipment where moisture or chemicals are present. The knurled head offers secure grip even with gloved hands, reducing installation time and preventing slippage. With its coarse thread spacing and Class 2A thread fit, it ensures reliable engagement in threaded inserts and tapped holes, minimizing cross-threading risks. The partially threaded design allows for controlled clamping force, protecting sensitive components from over-tightening while maintaining vibration resistance in industrial settings.
Specification Summary & Compliance
This thumb screw features precise UNC 6-32 threading with Class 2A thread fit for consistent engagement and 0.138" thread diameter. The 1/2" length and 7/16" thread length provide optimal fastening depth. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring hazardous substance restrictions are met for global industrial applications.
