S-91746A453 3/8"-16 x 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
- Superior manual grip with knurled round head for easy hand-tightening without tools in industrial environments
- Exceptional corrosion resistance from 18-8 stainless steel construction, ideal for harsh operating conditions
- High mechanical strength with 80,000 psi tensile strength and Rockwell B83 hardness for reliable load-bearing performance
- Precise thread engagement with UNC coarse threads and Class 2A fit ensuring consistent fastening accuracy
- Space-saving low-profile design allowing installation in confined areas while maintaining full functionality
- Partial threading optimization providing secure fastening while reducing material usage and weight
- Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial applications
Professional Applications & Engineering Value
This heavy-duty 3/8"-16 thumb screw delivers exceptional engineering value through its 18-8 stainless steel composition, providing superior corrosion resistance that withstands demanding industrial environments. The knurled round head with low-profile design enables quick manual adjustments without tools, solving accessibility challenges in tight spaces. Featuring UNC coarse threads with Class 2A fit, this fastener ensures reliable engagement in vibration-prone applications while the partial threading design optimizes clamping force distribution. The combination of 80,000 psi tensile strength and Rockwell B83 hardness makes it ideal for machinery, equipment panels, and industrial assemblies requiring frequent maintenance access with dependable fastening performance.
Specification Summary & Compliance
This thumb screw maintains precision Class 2A thread fit with UNC 3/8"-16 coarse threading standards, ensuring consistent dimensional accuracy across applications. The manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming material safety and regulatory adherence for global industrial use. The partial threading extends 1-15/16" on the 2" overall length, providing optimized fastening performance while maintaining specified mechanical properties throughout the component.
