S-97008A820 3/8"-16 x 1 1/2" Thumb Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with zinc-plated steel construction for reliable performance in demanding environments
• Superior hand-tightening capability thanks to the large spade head design requiring no tools for installation
• Increased stability and load distribution from the integrated flange that prevents over-tightening and surface damage
• Exceptional mechanical strength with 40,000 psi tensile strength and Rockwell B55 hardness for heavy-duty applications
• Quick and secure fastening with UNC coarse threads providing rapid installation and Class 2A fit ensuring proper engagement
• Full-length threading offering maximum adjustability and holding power along the entire 1-1/2" length
• Compliance with environmental regulations through RoHS 3 compliance for sustainable manufacturing practices

Professional Applications & Engineering Value

This zinc-plated steel thumb screw delivers exceptional engineering value for industrial applications requiring frequent adjustments or tool-free maintenance. The flanged spade head design provides superior ergonomic benefits, allowing operators to achieve secure fastening without specialized tools - particularly valuable in equipment panels, access covers, and machinery guards. The UNC coarse thread configuration ensures rapid installation and removal cycles, while the Class 2A thread fit maintains precise engagement without binding. The combination of 40,000 psi tensile strength and Rockwell B55 hardness makes these industrial thumb screws ideal for vibration-prone environments where reliable fastening is critical. The zinc plating offers corrosion protection for extended service life in manufacturing facilities, electrical enclosures, and outdoor equipment applications.

Specification Summary & Compliance

This thumb screw features 3/8"-16 UNC coarse threads with Class 2A fit for standard industrial applications, ensuring proper clearance and engagement. The fully threaded 1-1/2" length provides consistent holding strength throughout the fastener. Manufacturing complies with RoHS 3 (2015/863/EU) environmental regulations, confirming the absence of restricted hazardous substances. The mechanical properties include Rockwell B55 hardness and 40,000 psi tensile strength, meeting industrial requirements for durable fastening solutions.