S-93005A150 3/8"-16 x 3 1/16" 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 and adjustment with a large four-arm aluminum head for superior grip without tools
- Enhanced durability and corrosion resistance thanks to the black-oxide steel finish, extending service life in demanding environments
- Reliable high-strength performance with a 70,000 PSI tensile strength and Rockwell C40 hardness to withstand significant loads
- Quick and secure coarse thread engagement using the UNC 3/8"-16 thread form for faster assembly in a wide range of materials
- Precise and consistent thread fit with Class 2A tolerance, ensuring smooth installation and reducing cross-threading risks
- Versatile partial threading allows the unthreaded shank to act as a pivot or provide alignment in assemblies
- Compliance with environmental regulations as a RoHS 3 compliant component, meeting modern manufacturing standards
Professional Applications & Engineering Value
This black-oxide steel thumb screw is engineered for industrial applications where manual access and robust fastening are critical. The four-arm aluminum head provides excellent leverage for hand-tightening, eliminating the need for tools in maintenance panels, machine guards, and access doors. The coarse UNC thread and Class 2A thread fit ensure rapid, secure engagement in metals and plastics, reducing assembly time. With a 70,000 PSI tensile strength and Rockwell C40 hardness, it offers reliable performance in high-vibration environments, while the partially threaded design and extended tip aid in alignment, making it a versatile choice for OEM and MRO applications requiring repeated adjustments.
Specification Summary & Compliance
This thumb screw features a 3/8"-16 UNC thread with a Class 2A fit for precise dimensional accuracy. It is manufactured from steel with a black-oxide finish and an aluminum head, meeting industry standards for thread form and mechanical properties. The product is RoHS 3 (2015/863/EU) compliant under exemption 6(a)-I, ensuring it adheres to environmental regulations for hazardous substance restrictions.
