S-98164A650 10-24 x 1 3/4" ASME B18.3, ASTM F879 Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction and passivated surface treatment
• Exceptional mechanical strength with 70,000 psi tensile strength for reliable performance under high-stress conditions
• Precise thread engagement ensured by Class 3A thread fit and UNC coarse threading for secure fastening
• Easy installation and removal with 1/8" hex drive design providing positive torque transmission
• Full-threaded design offers maximum grip length and uniform load distribution across the entire fastener
• Regulatory compliance meets ASME B18.3 specifications and environmental standards including RoHS 3 and REACH
• Rounded button head profile provides a low-profile, aesthetically pleasing finish while minimizing snagging hazards

Professional Applications & Engineering Value

These 316 stainless steel rounded head screws deliver exceptional performance in demanding industrial settings where corrosion resistance and mechanical reliability are paramount. The combination of passivated finish and 316 stainless steel material provides outstanding protection against chemical exposure, saltwater environments, and industrial contaminants. The Class 3A thread fit with UNC coarse threading ensures precise mating with corresponding nuts and tapped holes, reducing the risk of cross-threading during assembly. The 1/8" hex drive configuration allows for efficient installation in confined spaces while the fully threaded design maximizes contact surface area for superior vibration resistance. These characteristics make these industrial screws ideal for chemical processing equipment, marine applications, food processing machinery, and pharmaceutical manufacturing where both durability and regulatory compliance are critical requirements.

Specification Summary & Compliance

This 10-24 UNC screw features precise Class 3A thread fit tolerances and complies with ASME B18.3 manufacturing specifications. The fastener maintains dimensional accuracy with a 1 3/4" length and coarse thread spacing for optimal performance. Regulatory compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring suitability for global industrial applications with strict material restrictions.