S-91746A760 1/4"-20 x 1 1/2" Thumb Screws

Key Features & Benefits at a Glance

• Effortless manual operation with knurled thumb head providing superior grip even with gloves or oily hands
• Exceptional corrosion resistance from 18-8 stainless steel construction for long-term reliability in harsh environments
• High-strength performance with 80,000 psi tensile strength and Rockwell B83 hardness for demanding applications
• Quick installation through UNC coarse threading and Class 2A fit ensuring smooth engagement and time savings
• Versatile low-profile design allowing clearance in tight spaces while maintaining substantial turning surface
• Secure partial threading providing optimal grip length while preventing over-tightening in sensitive assemblies
• Regulatory compliance meeting RoHS 3 and REACH standards for global industrial use and environmental safety

Professional Applications & Engineering Value

This 18-8 stainless steel thumb screw delivers exceptional value in industrial settings where frequent adjustments and reliable fastening are critical. The knurled head texture ensures positive grip under challenging conditions, while the low-profile round head minimizes protrusion in confined spaces. Engineered with UNC coarse threads and Class 2A fit, it provides rapid installation in machinery, electronic enclosures, and production equipment. The partially threaded design offers controlled engagement depth, preventing damage to sensitive components. With 80,000 psi tensile strength and superior corrosion resistance, this thumb screw maintains integrity in manufacturing, maintenance, and assembly applications where durability and user accessibility are paramount.

Specification Summary & Compliance

This 1/4"-20 thumb screw features precision UNC coarse threading with Class 2A thread fit for consistent engagement and reliable performance. Manufacturing complies with industry standards for dimensional accuracy, including the specified 1 1/2" length and 1 7/16" thread length. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting international environmental regulations for industrial components.