S-92186A805 5/8"-11 x 2 3/4" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance provided by 316 stainless steel construction, ideal for harsh environments and extended service life
• High tensile strength of 70,000 psi ensures reliable performance in demanding heavy-duty applications
• Rockwell B70 hardness offers excellent durability and resistance to wear and deformation
• External hex drive and hex head design allows for easy installation and high torque application with standard tools
• Coarse UNC thread with Class 2A fit provides faster assembly and reliable engagement in a wide range of materials
• Partial threading offers unthreaded shank strength where needed while maintaining secure threaded fastening
• Compliance with major standards including ASME B18.2.1, RoHS 3, and REACH ensures quality and environmental responsibility

Professional Applications & Engineering Value

These 5/8"-11 UNC hex head screws in 316 stainless steel deliver exceptional engineering value for industrial applications where corrosion resistance and structural integrity are paramount. The coarse thread configuration ensures rapid installation and secure fastening in structural steel, heavy machinery, and marine equipment. The partially threaded design provides maximum shank strength in shear applications while maintaining full thread engagement. With 70,000 psi tensile strength and Rockwell B70 hardness, these screws withstand extreme mechanical stresses and vibration in construction, chemical processing, and offshore applications. The external hex drive facilitates high-torque installation without stripping, making them ideal for maintenance and assembly operations requiring reliable, long-lasting fastening solutions.

Specification Summary & Compliance

This hex head screw features precise Class 2A thread fit with 5/8"-11 UNC coarse threads and 2 3/4" length. Manufactured to ASME B18.2.1 specifications, ensuring dimensional accuracy and interchangeability. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming the absence of restricted hazardous substances. The screw meets all specified mechanical properties including 70,000 psi tensile strength and Rockwell B70 hardness for guaranteed performance in industrial applications.