S-92240A839 3/4"-10 x 1 1/2" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and reducing replacement costs.
• High-strength performance with 80,000 PSI tensile strength and Rockwell B70 hardness for reliable load-bearing in demanding applications.
• Efficient installation and removal thanks to the external hex drive and 1 1/8" head width, providing excellent tool grip and torque transfer.
• Consistent and reliable thread engagement with Class 2A thread fit and coarse UNC threading, minimizing cross-threading and ensuring secure fastening.
• Full-length threading offers versatile fastening depth and uniform stress distribution along the entire 1-1/2" length.
• Compliance with major industry standards including ASME B18.2.1, ensuring dimensional accuracy and interchangeability.
• Environmental and safety compliance with RoHS 3 and REACH regulations, making them suitable for regulated industries.

Professional Applications & Engineering Value

This heavy-duty hex head screw is engineered from 18-8 Stainless Steel to solve critical challenges in industrial assembly, such as corrosion-induced failure and joint loosening under vibration. The coarse UNC thread and Class 2A thread fit provide rapid installation and high resistance to stripping, which is vital in structural frameworks, machinery, and heavy equipment where disassembly for maintenance is common. Its 80,000 PSI tensile strength and external hex drive ensure that the fastener can withstand significant mechanical stress while allowing for easy tightening with standard tools, reducing assembly time and improving operational reliability in construction, marine, and manufacturing settings.

Specification Summary & Compliance

This screw features a 3/4"-10 UNC thread with Class 2A dimensional tolerance for precise fit, and is fully threaded along its 1-1/2" length. It is manufactured in accordance with ASME B18.2.1 specifications and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring both performance consistency and safety in global supply chains.