S-91746A808 3/8"-16 x 2" Thumb Screws

Key Features & Benefits at a Glance

• Enhanced grip and torque application with precision knurled round head design for secure hand-tightening without tools
• Superior corrosion resistance thanks to 18-8 Stainless Steel construction, ideal for harsh industrial environments
• High mechanical strength and durability with 80,000 psi tensile strength and Rockwell B83 hardness for heavy-duty applications
• Quick and easy installation with UNC coarse threading and Class 2A fit ensuring smooth engagement and reliable fastening
• Versatile low-profile design allowing use in confined spaces while maintaining excellent accessibility
• Dual-operation capability featuring both thumb grip and slotted drive for flexible installation options
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe use across regulated industries

Professional Applications & Engineering Value

This 3/8"-16 low-profile thumb screw delivers exceptional engineering value through its optimized material selection and structural design. The 18-8 Stainless Steel composition provides outstanding corrosion resistance, making it ideal for applications in chemical processing, marine environments, and food equipment where moisture resistance is critical. The knurled round head with 0.875" diameter offers superior grip surface, enabling secure hand-tightening even with gloves, while the low-profile design ensures compatibility with space-constrained assemblies. The UNC coarse threading and Class 2A fit guarantee reliable engagement in various materials, reducing cross-threading risks and installation time. Particularly valuable for maintenance panels, access covers, and frequently adjusted components, this partially threaded thumb screw combines quick operation with the structural integrity needed for industrial applications requiring repeated access without compromising fastener integrity.

Specification Summary & Compliance

This thumb screw features precision 3/8"-16 UNC coarse threading with Class 2A fit tolerance for consistent engagement quality. The manufacturing adheres to standard inch system measurements with partially threaded design extending 1 15/16" along the 2" total length. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for electronics, industrial equipment, and other applications requiring restricted substance control. The right-hand thread direction and slotted drive complement the primary thumb operation method for versatile installation options across various industrial settings.