S-99607A112 6-32 x 1/4" 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
- Enhanced grip and torque application with knurled round head design for secure manual operation without tools
- Superior corrosion resistance provided by 18-8 stainless steel construction for long-lasting performance in harsh environments
- High tensile strength of 80,000 psi ensures reliable fastening under demanding mechanical loads
- Precise Class 2A thread fit guarantees smooth installation and consistent engagement with mating components
- Full threading along the 1/4" length enables maximum adjustability and secure fastening throughout the entire shank
- Flared collar design provides increased bearing surface to prevent over-tightening and component damage
- Compliance with RoHS 3 and REACH regulations ensures environmental safety and suitability for regulated industries
Professional Applications & Engineering Value
This 6-32 UNC thumb screw delivers exceptional value in applications requiring frequent adjustments and tool-free operation. The 18-8 stainless steel construction maintains integrity in corrosive environments, while the Rockwell B85 hardness provides excellent wear resistance. The knurled head texture combined with the flared collar profile creates an optimal balance between manual grip strength and distributed clamping force, preventing damage to sensitive surfaces. These industrial thumb screws are particularly valuable in electronics enclosures, machinery access panels, and instrumentation where repeated access is necessary. The coarse UNC thread ensures quick installation and removal, significantly reducing maintenance downtime in production environments.
Specification Summary & Compliance
This thumb screw features 6-32 UNC coarse threads with Class 2A thread fit for standard industrial applications. The fastener maintains precise dimensional accuracy with a 1/4" length and fully threaded design. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental compliance for global industrial markets. The right-hand thread direction and standardized UNC thread type provide compatibility with common industrial components and assemblies.
