S-91746A830 1/2"-13 x 3" Thumb Screws

Key Features & Benefits at a Glance

• Enhanced manual operation with knurled round head design providing superior grip without tools
• Exceptional corrosion resistance from 18-8 stainless steel construction for long service life in harsh environments
• High-load capacity with 80,000 psi tensile strength suitable for demanding industrial applications
• Reliable thread engagement through Class 2A thread fit ensuring consistent fastening performance
• Quick installation with coarse UNC threading enabling rapid assembly and disassembly
• Durable surface hardness at Rockwell B83 resisting wear and deformation during repeated use
• Regulatory compliance meeting RoHS 3 and REACH standards for safe industrial usage

Professional Applications & Engineering Value

This 18-8 stainless steel thumb screw delivers critical engineering advantages where frequent adjustments and tool-less operation are required. The knurled head texture provides positive grip even with gloved hands, while the coarse UNC threading ensures rapid engagement in machinery guards, access panels, and equipment fixtures. The partially threaded design offers optimal clamping force distribution, making it ideal for industrial maintenance applications requiring repeated access. With 80,000 psi tensile strength and corrosion-resistant properties, this fastener maintains integrity in manufacturing environments, reducing replacement frequency and downtime.

Specification Summary & Compliance

Manufactured to precise Class 2A thread fit standards with 1/2"-13 UNC coarse threading and partial threading configuration. The screw features Rockwell B83 hardness and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements for environmental safety and regulatory adherence in industrial applications.