S-93005A556 3/8"-16 x 2" Thumb Screws
Thumb Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Effortless manual tightening with a four-arm thumb head design providing superior grip and torque without tools
- Exceptional durability and corrosion resistance thanks to black-oxide steel construction and Rockwell C40 hardness
- High load-bearing capability with a tensile strength of 180,000 psi for demanding industrial applications
- Reliable and precise threading with UNC coarse threads and Class 2A fit ensuring secure fastening and easy assembly
- Versatile full-thread engagement along the entire 2" length for maximum holding power in various material thicknesses
- Secure environmental compliance meeting RoHS 3 and REACH regulations for safe use in regulated industries
- Enhanced tip alignment with extended tip design facilitating easier insertion and starting in pre-tapped holes
Professional Applications & Engineering Value
This black-oxide steel thumb screw delivers robust performance in industrial settings where manual adjustments and frequent access are required. The four-arm head design ensures operators can apply significant torque by hand, eliminating the need for tools in machinery maintenance, electronic enclosures, and fixture clamping. The fully threaded UNC 3/8"-16 configuration with Class 2A thread fit provides consistent engagement and vibration resistance, while the extended tip aids quick alignment, reducing installation time. With 180,000 psi tensile strength and corrosion-resistant finish, it withstands harsh environments, making it ideal for OEM equipment, automotive assemblies, and industrial controls where reliability and compliance with RoHS and REACH are critical.
Specification Summary & Compliance
This thumb screw adheres to UNC thread standards with a Class 2A thread fit for precise dimensional accuracy. It is manufactured from black-oxide steel with a hardness of Rockwell C40 and tensile strength of 180,000 psi, ensuring durability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible sourcing and usage in global markets.
