S-91746A378 10-32 x 1 1/2" 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
- Enhanced grip and torque application with 5/8" diameter knurled head for secure manual tightening without tools
- Superior corrosion resistance thanks to 18-8 stainless steel construction for long-lasting performance in harsh environments
- High mechanical strength with 80,000 psi tensile strength and Rockwell B83 hardness to withstand heavy loads
- Precision thread engagement with Class 2A fit and 10-32 UNF fine threads ensuring reliable fastening
- Optimal thread engagement control through partial threading design with 1-7/16" thread length
- Low-profile installation with round head design minimizing protrusion in compact spaces
- Environmental compliance assurance meeting RoHS 3 and REACH regulations for safe industrial use
Professional Applications & Engineering Value
This 10-32 UNF thumb screw in 18-8 stainless steel solves critical industrial challenges where frequent adjustments and reliable fastening are essential. The knurled head texture provides exceptional grip even with oily hands or gloves, reducing installation time in maintenance panels, electronic enclosures, and machinery access points. Its fine thread spacing and Class 2A thread fit deliver vibration-resistant connections that maintain integrity in dynamic environments. The low-profile round head design prevents snagging while the partial threading allows for precise depth control. With 80,000 psi tensile strength, these screws withstand repeated use in manufacturing equipment, aerospace components, and marine applications where corrosion resistance and mechanical reliability are paramount.
Specification Summary & Compliance
This thumb screw features precision 10-32 UNF threads with Class 2A fit tolerance for consistent engagement. The 1-1/2" overall length includes 1-7/16" thread length with right-hand thread direction. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and restricted substance compliance for global industrial applications.
