S-93615A420 1/4"-20 x 1" 18-8 Stainless Steel Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance thanks to 18-8 Stainless Steel construction, ensuring long-term reliability in harsh environments.
• Superior thread engagement and precision fit with Class 3A thread fit, minimizing the risk of cross-threading and providing secure fastening.
• High tensile strength of 70,000 psi combined with Rockwell B70 hardness for reliable performance under significant mechanical stress.
• Space-saving low-profile socket head design allows for use in applications with limited clearance without compromising on drive stability.
• Consistent, reliable drive engagement with a 1/8" hex drive, reducing the risk of tool slippage and head stripping during installation.
• Full threading along the 1" length provides maximum grip and adjustability across the entire fastener for versatile application use.
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and meets international standards for industrial components.

Professional Applications & Engineering Value

This 1/4-20 UNC low profile socket head cap screw is engineered to address critical challenges in precision assembly and machinery. The 18-8 Stainless Steel material offers excellent resistance to oxidation and corrosion, making it ideal for applications in moist or chemically aggressive environments, such as marine equipment, food processing machinery, and outdoor industrial fixtures. The Class 3A thread fit ensures tight tolerances and reliable performance in high-vibration settings, reducing maintenance needs and preventing loosening over time. With its low-profile head and hex drive, it is particularly valuable in compact assemblies where space is limited but high clamping force and accessibility are required. This combination of corrosion resistance, precision threading, and robust tensile strength delivers long-term durability and reliability, minimizing downtime and replacement costs in demanding industrial applications.

Specification Summary & Compliance

This fastener adheres to UNC coarse thread standards with a 1/4-20 thread size and Class 3A thread fit for precise dimensional accuracy. It is manufactured from 18-8 Stainless Steel and features a fully threaded design with a length of 1 inch. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety standards for industrial use.