S-99607A137 8-32 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
- Effortless manual operation with knurled round head providing superior grip even with gloves or oily hands
- Exceptional corrosion resistance from 18-8 stainless steel construction for long service life in harsh environments
- Reliable thread engagement with Class 2A UNC coarse threads ensuring consistent fastening performance
- Enhanced stability from flared collar design that distributes clamping pressure evenly
- High mechanical strength with 80,000 psi tensile strength and Rockwell B85 hardness for demanding applications
- Full threading capability allowing complete engagement along the entire 3/4" length
- Regulatory compliance meeting RoHS 3 and REACH standards for global industrial use
Professional Applications & Engineering Value
This 18-8 stainless steel thumb screw delivers exceptional value in applications requiring frequent adjustments or tool-less operation. The knurled head texture combined with the flared collar design provides maximum torque application without specialized tools, making it ideal for maintenance panels, access covers, and equipment guards. The UNC coarse thread ensures quick installation and removal while resisting cross-threading, significantly reducing assembly time in production environments. The corrosion-resistant properties of 18-8 stainless steel make these thumb screws suitable for outdoor equipment, marine applications, and chemical processing facilities where exposure to moisture and corrosive elements would compromise ordinary fasteners. The fully threaded design accommodates various material thicknesses while maintaining consistent clamping force throughout the engagement length.
Specification Summary & Compliance
This thumb screw features precision 8-32 UNC coarse threads with Class 2A thread fit for reliable engagement and consistent performance. Manufacturing complies with standard inch system specifications including 3/4" length, 27/64" head diameter, and right-hand thread direction. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and workplace safety standards are met for industrial applications worldwide.
