S-96966A850 3/8"-16 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
- High-torque manual operation with a large 1 3/32" spade head for easy, tool-free tightening and loosening in tight spaces.
- Superior corrosion resistance from the zinc plating, extending the screw's service life in demanding industrial environments.
- Exceptional mechanical strength with a 40,000 psi tensile strength and Rockwell B55 hardness for reliable performance under heavy loads.
- Quick and secure coarse threading with a UNC 3/8"-16 thread and Class 2A fit, ensuring fast assembly and a secure hold.
- Full-length threading provides maximum engagement and grip along the entire 3/4" length for versatile fastening applications.
- Compliance with modern environmental standards, being RoHS 3 compliant for use in regulated industries.
- Right-hand thread direction for intuitive, standard installation that aligns with common assembly practices.
Professional Applications & Engineering Value
This zinc-plated steel thumb screw is engineered to solve the core industrial challenge of providing secure, repeatable fastening without the need for tools. The spade head design offers a large surface area for high-torque manual adjustment, making it ideal for access panels, machine guards, and fixtures that require frequent maintenance or quick disassembly. The 3/8"-16 UNC coarse thread and Class 2A fit ensure rapid installation and a reliable hold, even in applications with vibration. Combined with a 40,000 psi tensile strength, this heavy-duty thumb screw delivers the durability needed for industrial equipment, automotive assemblies, and electronic enclosures, reducing downtime and maintenance costs.
Specification Summary & Compliance
This thumb screw adheres to the UNC coarse thread standard with a Class 2A thread fit, ensuring dimensional accuracy and interchangeability. It is manufactured from zinc-plated steel and is fully threaded along its 3/4" length. The product is confirmed to be RoHS 3 (2015/863/EU) Compliant, meeting essential environmental and safety regulations for industrial components.
