S-93190A540 1/4"-20 x 3/4" 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
• Fully threaded UNC coarse design delivers faster installation and superior holding power in various materials
• External hex drive and hex head allow for easy, high-torque installation with standard tools
• Class 2A thread fit guarantees consistent, precise threading for smooth assembly and interchangeability
• Compliance with ASME B18.2.1, RoHS 3, and REACH ensures adherence to strict industrial and environmental standards

Professional Applications & Engineering Value

This 316 stainless steel hex head screw is engineered to address critical challenges in industrial settings, such as corrosion, high stress, and regulatory compliance. The UNC coarse thread and fully threaded design provide rapid, secure fastening in metal, plastic, and wood assemblies, reducing installation time and improving grip in demanding applications. With a tensile strength of 70,000 psi and Rockwell B70 hardness, it withstands heavy loads and repetitive use without failure. The external hex drive facilitates easy tightening in confined spaces, making it ideal for machinery, construction, and marine equipment where reliability and corrosion resistance are paramount.

Specification Summary & Compliance

This screw features a 1/4"-20 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy and easy assembly. It meets ASME B18.2.1 manufacturing specifications, ensuring consistent quality and performance. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, supporting safe and environmentally responsible industrial use.