S-92240A381 3/4"-16 x 1 3/4" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 stainless steel construction, ideal for harsh environments and reducing long-term replacement costs.
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B70 hardness, ensuring reliable performance under high-stress loads.
• Precise and secure fastening achieved with a Class 2A thread fit and UNF fine thread, minimizing the risk of loosening in vibration-prone applications.
• Efficient installation and removal enabled by the external hex drive and standard 1 1/8" head width, compatible with common wrenches.
• Maximum grip and load distribution from being fully threaded along the 1-3/4" length, providing consistent clamping force.
• Guaranteed dimensional consistency and interchangeability as it meets the rigorous ASME B18.2.1 standard for hex head screws.
• Safe for regulated industries with compliance to RoHS 3 and REACH, ensuring no hazardous substances are used.

Professional Applications & Engineering Value

This 3/4"-16 UNF hex head screw is engineered to solve critical challenges in industrial assembly and machinery. The 18-8 stainless steel material provides excellent resistance to oxidation and chemical exposure, making it a durable choice for marine, food processing, and outdoor equipment where corrosion resistance is paramount. Its fine UNF thread and Class 2A fit offer superior vibration resistance compared to coarse threads, preventing spontaneous loosening in dynamic applications like automotive or heavy machinery. The combination of 80,000 psi tensile strength and a fully threaded design ensures that the load is evenly distributed, reducing stress concentrations and enhancing the longevity of the joint. This heavy-duty fastener is ideal for structural frameworks, pump systems, and high-torque assemblies where reliability cannot be compromised.

Specification Summary & Compliance

This screw features a 3/4"-16 UNF thread with a Class 2A thread fit, ensuring precise dimensional accuracy and interchangeability as per unified screw thread standards. It is manufactured in compliance with the ASME B18.2.1 specification for hex bolts, guaranteeing consistent quality and performance. The product is also confirmed to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for hazardous substances.