S-91746A609 5/16"-18 x 1" Thumb Screws

Key Features & Benefits at a Glance

• Enhanced manual operation with knurled round head design for superior grip without tools
• Corrosion-resistant performance through 18-8 stainless steel construction for long service life
• Reliable thread engagement with Class 2A UNC coarse threads ensuring consistent fastening
• High-strength durability with 80,000 psi tensile strength and Rockwell B83 hardness
• Full-threaded convenience providing complete engagement along the entire 1" length
• Regulatory compliance meeting RoHS 3 and REACH standards for safe industrial use
• Right-hand threading for standard installation and removal procedures

Professional Applications & Engineering Value

This 18-8 stainless steel thumb screw delivers exceptional value in applications requiring frequent adjustments or tool-free operation. The knurled round head provides positive grip even with gloved hands, while the 5/16"-18 UNC coarse threads with Class 2A fit ensure rapid installation and secure fastening in machinery, electronic enclosures, and industrial equipment. The fully threaded design maintains consistent clamping force across the entire 1" length, making it ideal for panel mounting, access covers, and adjustable components where corrosion resistance and high tensile strength (80,000 psi) are critical for long-term performance in demanding environments.

Specification Summary & Compliance

This thumb screw features precision 5/16"-18 UNC coarse threads with Class 2A thread fit for reliable engagement and dimensional accuracy. Manufactured from 18-8 stainless steel with Rockwell B83 hardness and 80,000 psi tensile strength. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial applications worldwide.