S-92186A987 1 1/2"-6 x 6 1/2" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and chemical exposure
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibration
• Rockwell B70 hardness provides excellent durability and resistance to wear and deformation
• Coarse UNC threads with Class 2A fit allow for quick assembly and secure fastening in various materials
• External hex drive and large 2 1/4" head enable easy installation with standard tools and high torque application
• Partially threaded design offers optimal grip and clamping force where full threading isn't required
• Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees quality, safety, and environmental standards

Professional Applications & Engineering Value

This heavy-duty hex head screw delivers exceptional value in demanding industrial settings where corrosion resistance and structural integrity are paramount. The 316 Stainless Steel composition provides superior protection against saltwater, chemicals, and extreme temperatures, making it ideal for marine equipment, chemical processing plants, and offshore structures. The coarse UNC thread design ensures rapid installation and reliable performance in softer materials or where vibration resistance is critical. With its external hex drive and substantial head size, this fastener enables high-torque applications without stripping, while the partial threading optimizes clamping force in structural connections. These engineering features directly address common failure points in heavy machinery, construction frameworks, and processing equipment.

Specification Summary & Compliance

This 1 1/2"-6 UNC hex head screw features precise Class 2A thread fit tolerances with a minimum thread length of 3 1/4" and overall length of 6 1/2". Manufactured to ASME B18.2.1 specifications, it ensures dimensional accuracy and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its environmental safety and restricted substance adherence for global industrial applications.