S-91744A628 3/8"-16 x 1 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
- Effortless hand-tightening with spade-shaped head design for quick assembly without tools
- Superior corrosion resistance from 18-8 stainless steel construction in harsh environments
- Enhanced stability and load distribution through integrated flange design
- Reliable thread engagement with Class 2A fit and UNC coarse threads for secure fastening
- Full-length threading ensures maximum adjustability and holding power
- Optimized grip surface with 15/16" head height and 13/16" width for comfortable manual operation
- Compliant with environmental regulations including RoHS 3 and REACH for global industrial use
Professional Applications & Engineering Value
This 18-8 stainless steel thumb screw delivers exceptional value in applications requiring frequent adjustments or tool-less operation. The spade head design combined with generous head dimensions provides superior torque application for manual tightening in confined spaces. The flanged construction prevents over-tightening and distributes clamping force evenly, protecting sensitive surfaces in electronic enclosures, machinery guards, and access panels. Fully threaded UNC coarse threads with Class 2A fit ensure rapid installation and reliable performance in vibration-prone environments. The corrosion-resistant properties of 18-8 stainless steel make these thumb screws ideal for outdoor equipment, marine applications, and food processing facilities where moisture resistance is critical.
Specification Summary & Compliance
This 3/8"-16 UNC thumb screw features precise Class 2A thread fit with right-hand coarse threading and full-length threads. Manufactured from 18-8 stainless steel with a spade head shape measuring 15/16" height and 13/16" width, plus a 0.69" flange diameter. The product maintains RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance for environmental safety standards. The 1½" length and fully threaded design ensure consistent performance across industrial applications requiring manual fastening solutions.
