S-90282A225 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
- Enhanced grip and torque application with a knurled, low-profile round head for secure manual operation without tools
- Reduces surface damage and marring thanks to the permanent swivel tip that accommodates up to 7.5° angular misalignment
- Superior corrosion resistance and durability from the black-oxide steel finish, extending service life in harsh environments
- High-strength performance under load with 80,000 psi tensile strength and Rockwell B85 hardness for demanding applications
- Reliable and precise thread engagement using fully threaded 3/8"-16 UNC coarse spacing and Class 2A fit for consistent fastening
- Compliance with international environmental standards including RoHS 3 and REACH, ensuring safe and responsible manufacturing
- Versatile right-hand threading for standard assembly and disassembly in various industrial setups
Professional Applications & Engineering Value
This low-profile thumb screw is engineered to address common challenges in industrial assembly, such as frequent adjustments and access in tight spaces. The black-oxide steel construction provides excellent wear and corrosion resistance, ideal for machinery, electronics, and automotive applications where durability is critical. Its permanent swivel tip minimizes the risk of damaging sensitive surfaces by distributing pressure evenly, even at angles up to 7.5°. Combined with the coarse UNC thread and Class 2A fit, it ensures quick, secure installations without cross-threading, enhancing efficiency in production lines and maintenance tasks. This design supports reliable performance in high-vibration environments, reducing the need for retightening and downtime.
Specification Summary & Compliance
This thumb screw features precise Class 2A thread fit with 3/8"-16 UNC coarse spacing for consistent fastening accuracy. It adheres to strict manufacturing standards, including compliance with RoHS 3 (2015/863/EU) under exemption 6(a)-I for lead as an alloying element in steel, and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity. The product is fully threaded with a length of 2" and includes a permanent swivel tip for reliable operation.
