S-99607A132 8-32 x 3/8" 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 design for easy hand-tightening without tools
- Exceptional corrosion resistance from 18-8 stainless steel construction for long-lasting performance in harsh environments
- Reliable thread engagement with Class 2A UNC coarse threads ensuring secure fastening in industrial applications
- Enhanced mechanical strength with 80,000 psi tensile strength and Rockwell B85 hardness for heavy-duty use
- Quick installation through fully threaded design and flared collar for stable seating
- Compliance assurance meeting RoHS 3 and REACH environmental regulations for global supply chain compatibility
- Optimized dimensions with 3/8" length and 8-32 thread size for versatile mounting applications
Professional Applications & Engineering Value
This 8-32 UNC thumb screw delivers exceptional value in applications requiring frequent adjustments or tool-free maintenance. The 18-8 stainless steel construction provides excellent corrosion resistance, making it ideal for electronic enclosures, machinery guards, and laboratory equipment where moisture or chemicals are present. The knurled round head with flared collar design ensures maximum finger grip and prevents slipping during manual operation, while the coarse UNC threads enable quick installation and removal. With full threading along the 3/8" length, engineers achieve consistent clamping force across various material thicknesses. These thumb screws are particularly valuable in assembly lines, maintenance panels, and prototyping environments where rapid access and repeated use are critical operational requirements.
Specification Summary & Compliance
This thumb screw features precision 8-32 UNC coarse threads with Class 2A thread fit tolerance for reliable engagement. Manufacturing specifications include right-hand threading, fully threaded shank, and dimensional accuracy with head diameter of 27/64", collar diameter of 11/32", and overall length of 3/8". The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and material safety for industrial applications worldwide.
