S-98704A625 1/4"-20 x 7/8" Thumb Screws

Key Features & Benefits at a Glance

• Effortless hand-tightening with a knurled acetal plastic head for superior grip in high-vibration environments
• Exceptional corrosion resistance provided by 18-8 stainless steel construction, ensuring long-term reliability
• Secure and precise fit with Class 3A thread tolerance for reduced risk of cross-threading and loosening
• Quick installation thanks to UNC coarse threading and full threading along the 7/8" length
• Durable low-profile design with a round head that minimizes snagging in confined spaces
• Versatile temperature performance with a head rated from 32° to 180° F for various operational conditions
• Compliance with global standards including RoHS 3 and REACH, making it suitable for regulated industries

Professional Applications & Engineering Value

This 1/4"-20 thumb screw is engineered to address common industrial challenges, such as the need for quick, tool-free adjustments without sacrificing security. The 18-8 stainless steel body resists rust and chemical exposure, ideal for machinery, electronics, and outdoor equipment. The knurled acetal plastic head ensures a firm grip even with oily hands, reducing slippage during frequent maintenance. With UNC coarse threads and a Class 3A fit, it offers reliable engagement in metals and plastics, streamlining assembly in production lines. Its low-profile round head and hex drive provide flexibility for hand or tool use, enhancing efficiency in prototyping and manufacturing settings.

Specification Summary & Compliance

This thumb screw adheres to UNC thread standards with a Class 3A thread fit for high precision and durability. It features a 1/4"-20 thread size, coarse threading, and full threading along the 7/8" length. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it meets environmental and safety regulations for industrial use.