S-91745A628 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
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
- Maximum torque application enabled by the spade head design for secure hand-tightening without tools
- Reliable coarse threading with UNC 3/8"-16 specification ensures quick installation and strong holding power
- Precise Class 2A thread fit guarantees consistent engagement and reduces cross-threading risks
- Full 1-1/2" threading provides complete fastener engagement for maximum load distribution
- Environmental compliance with RoHS 3 and REACH standards for sustainable manufacturing practices
- Right-hand thread direction offers standard installation familiar to most operators
Professional Applications & Engineering Value
This 18-8 stainless steel thumb screw delivers exceptional performance in demanding industrial settings where corrosion resistance and manual operation are critical. The spade head design provides superior grip surface for high-torque applications without requiring specialized tools, making it ideal for frequent access panels, machinery guards, and equipment maintenance points. The coarse UNC threading and Class 2A thread fit ensure rapid installation while maintaining secure fastening in vibration-prone environments. Manufactured from premium 18-8 stainless steel, this thumb screw withstands exposure to moisture, chemicals, and temperature variations, offering long-term reliability for industrial assembly, electronic enclosures, and mechanical systems requiring periodic adjustment or removal.
Specification Summary & Compliance
This thumb screw features 3/8"-16 UNC coarse threading with Class 2A thread fit for precise dimensional accuracy and reliable performance. The fastener is fully threaded along its 1-1/2" length with a 0.375" thread diameter. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring regulatory compliance for industrial and commercial applications worldwide.
