S-91744A199 8-32 x 1" 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
- Effortless manual operation with spade-shaped thumb head for quick, tool-free installation and removal
- Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments
- Enhanced grip and stability thanks to the integrated flange design that prevents over-tightening
- Reliable coarse threading with UNC 8-32 and Class 2A fit ensures secure fastening in various materials
- Full-length threading provides maximum engagement and holding power along the entire 1" length
- Compliance with environmental standards including RoHS 3 and REACH for safe, sustainable use
- Right-hand thread design offers familiar, intuitive fastening direction for operator convenience
Professional Applications & Engineering Value
Engineered for manual fastening applications where tools are impractical or accessibility is limited, this 8-32 UNC spade thumb screw delivers exceptional value in industrial maintenance, electronic enclosures, and machinery panels. The 18-8 stainless steel construction provides reliable corrosion resistance in demanding environments, while the flanged design distributes clamping force evenly and prevents surface damage. The coarse UNC threading and Class 2A thread fit ensure quick engagement and vibration resistance in soft metals and plastics, reducing installation time by up to 50% compared to traditional fasteners. These fully threaded thumb screws are particularly valuable in applications requiring frequent adjustments or quick disassembly without specialized tools.
Specification Summary & Compliance
This thumb screw features precision 8-32 UNC coarse threads with Class 2A thread fit for consistent performance and proper clearance. The 0.164" thread diameter and 1" length provide optimal fastening capabilities, while the spade head shape (25/64" height, 23/64" width) and 0.281" flange diameter ensure comfortable manual operation. Manufactured to industry standards with full threading and right-hand thread direction. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial applications.
