S-91746A226 8-32 x 3/4" 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
- 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-term reliability in harsh environments
- Optimized strength-to-weight ratio with 80,000 psi tensile strength and Rockwell B85 hardness for demanding applications
- Precise thread engagement with Class 2A UNC coarse threads ensuring secure fastening and vibration resistance
- Space-saving low profile head design ideal for confined spaces and flush mounting requirements
- Full-length threading providing maximum adjustment range and consistent holding power
- Regulatory compliance meeting RoHS 3 and REACH standards for global industrial use
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 for electronics enclosures, machinery guards, and outdoor equipment, while the knurled head texture ensures positive grip even with gloved hands. The low-profile round head minimizes protrusion in tight spaces, and the coarse thread spacing enables quick installation and removal. With fully threaded design and Class 2A thread fit, engineers benefit from reliable performance in vibration-prone environments, making these thumb screws ideal for industrial assembly, test fixtures, and access panel applications where manual fastening efficiency is critical.
Specification Summary & Compliance
This thumb screw features precision 8-32 UNC threads with Class 2A fit and coarse thread spacing for optimal engagement. The fastener maintains dimensional accuracy with 0.164" thread diameter and 3/4" length fully threaded configuration. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial markets and restricted substance compliance.
