S-91746A752 1/4"-20 x 1" Thumb Screws

Key Features & Benefits at a Glance

• Enhanced grip and torque control with precision knurled texture for reliable hand-tightening without tools
• Superior corrosion resistance thanks to 18-8 Stainless Steel construction, ideal for harsh environments
• High mechanical strength with 80,000 psi tensile strength and Rockwell B83 hardness for durable, long-lasting performance
• Easy installation and adjustment featuring a low-profile round head and slotted drive for versatile tool use
• Precise thread engagement with UNC coarse threads and Class 2A fit ensuring secure fastening in various materials
• Quick assembly capabilities due to partial threading and right-hand thread direction for efficient operations
• Compliance with environmental standards including RoHS 3 and REACH, supporting sustainable and safe industrial practices

Professional Applications & Engineering Value

This low profile thumb screw is engineered to address common industrial challenges such as frequent adjustments and corrosion in demanding settings. Made from 18-8 Stainless Steel, it offers excellent resistance to rust and oxidation, making it suitable for applications in electronics, machinery, and outdoor equipment. The knurled head texture provides a secure grip, reducing slippage and enabling quick hand-tightening without additional tools, which enhances productivity in assembly lines. With its UNC coarse threads and Class 2A thread fit, it ensures reliable fastening in coarse-threaded components, minimizing the risk of cross-threading. Ideal for use in panels, fixtures, and devices requiring periodic access, this thumb screw combines ease of use with robust performance, supporting efficient maintenance and reducing downtime in various industrial sectors.

Specification Summary & Compliance

This product adheres to precise dimensional standards, including a Class 2A thread fit for consistent accuracy and a UNC thread type with a size of 1/4"-20. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for global regulatory requirements. The threading is partially threaded with a right-hand direction, and the overall design supports reliable performance in industrial applications.