S-90696A176 6-40 x 7/8" ASME B18.3 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Exceptional tensile strength of 70,000 psi ensures reliable performance under high-stress applications
• Precision Class 3A thread fit provides consistent engagement and vibration resistance
• Rockwell B70 hardness maintains structural integrity and prevents thread deformation
• Hex socket drive design allows for high torque application and secure installation in confined spaces
• Comprehensive compliance with ASME B18.3 standards and environmental regulations (RoHS 3 & REACH)
• Partially threaded configuration offers optimal clamping force distribution for varied assembly requirements

Professional Applications & Engineering Value

These 6-40 UNC thread socket head cap screws deliver critical performance advantages in demanding industrial settings. The 18-8 stainless steel composition provides excellent corrosion resistance, making them suitable for chemical processing, marine applications, and food processing equipment where moisture exposure is common. The Class 3A thread fit ensures precise engagement with mating components, reducing the risk of cross-threading and providing superior vibration resistance in machinery and automotive assemblies. With 70,000 psi tensile strength and Rockwell B70 hardness, these fasteners maintain clamping force under dynamic loads, preventing joint failure in critical applications. The hex drive system enables efficient installation in confined spaces while the partially threaded design allows for optimal stress distribution across assembled components.

Specification Summary & Compliance

This socket head cap screw features precision 6-40 UNC threads with Class 3A fit for superior dimensional accuracy. Manufactured to ASME B18.3 specifications, the fastener ensures interchangeability and reliability across industrial applications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting the latest industry standards for hazardous substance restrictions. All dimensions conform to the inch system with a 7/8" length and 7/64" hex drive size for standardized tool compatibility.