S-94567A330 8-32 x 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 tool-free operation with knurled round head design for secure manual tightening in confined spaces
- Lightweight yet durable construction using 6061 aluminum with Rockwell B60 hardness for corrosion resistance and long service life
- Reliable thread engagement with Class 2A UNC coarse threads ensuring consistent fastening and reduced cross-threading risks
- High tensile strength of 40,000 psi provides secure clamping force for industrial applications without premature failure
- Fully threaded 1/2" length offers maximum adjustment range and versatile mounting options
- Flared collar design distributes pressure evenly and prevents damage to sensitive surfaces
- Compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptability
Professional Applications & Engineering Value
This 8-32 UNC thumb screw delivers exceptional value in applications requiring frequent adjustments or tool-free access. The 6061 aluminum construction combines lightweight properties with Rockwell B60 hardness, making it ideal for electronics enclosures, instrumentation panels, and aerospace components where weight reduction matters. The knurled head texture provides superior grip even with gloved hands, while the fully threaded design ensures maximum engagement in threaded inserts and mounting plates. The coarse UNC threads resist vibration loosening and enable quick installation in production environments. These industrial thumb screws solve common assembly challenges by eliminating tool dependency while maintaining 40,000 psi tensile strength for secure fastening in demanding conditions.
Specification Summary & Compliance
Manufactured to precise Class 2A thread fit standards with UNC coarse threading (8-32 size) and right-hand thread direction. Dimensions include 1/2" length, 7/16" head diameter, and 3/8" collar diameter. Fully compliant with RoHS 3 (2015/863/EU) under exemption 6(b)-II and REACH (EC 1907/2006) regulations, ensuring environmental responsibility while maintaining machining performance with aluminum alloy components.