S-91746A219 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
- Easy manual operation with knurled round head design providing superior grip without tools
- Exceptional corrosion resistance from 18-8 stainless steel construction for long service life in harsh environments
- High load-bearing capability with 80,000 psi tensile strength ensuring reliable fastening under stress
- Precise thread engagement through Class 2A thread fit for consistent performance in UNC applications
- Quick installation with fully threaded design and coarse thread spacing for rapid assembly
- Durable performance backed by Rockwell B85 hardness for repeated use without deformation
- Regulatory compliance meeting RoHS 3 and REACH standards for global industrial applications
Professional Applications & Engineering Value
This 8-32 UNC thumb screw delivers exceptional engineering value through its 18-8 stainless steel construction, providing superior corrosion resistance that eliminates premature failure in humid or chemical environments. The knurled round head with narrow profile ensures secure grip during manual operation, solving accessibility issues in tight spaces where tools cannot reach. With fully threaded coarse spacing and Class 2A thread fit, installation becomes significantly faster while maintaining precise alignment in industrial equipment, electronic enclosures, and machinery panels. The combination of 80,000 psi tensile strength and Rockwell B85 hardness ensures repeated use without stripping or deformation, making it ideal for applications requiring frequent adjustments or maintenance access.
Specification Summary & Compliance
This thumb screw features precision 8-32 UNC threads with Class 2A thread fit for consistent engagement and reliable performance. The coarse thread spacing and right-hand thread direction provide efficient installation in standard applications. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and global market acceptance. Dimensions include 1/2" length, 3/16" head diameter, and 0.164" thread diameter for standardized compatibility across industrial fastening systems.
