S-92311A418 1"-8 x 3" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments and extending service life.
• High-strength, precision threading with Class 3A UNC coarse threads ensures secure, vibration-resistant fastening in demanding applications.
• Maximum torque transmission via the 9/16" hex drive, allowing for easy installation and removal without stripping.
• Enhanced grip and minimal surface damage from the cup tip design, providing reliable component positioning.
• Exceptional durability backed by Rockwell B80 hardness, resisting wear and deformation under heavy loads.
• Full compliance with industry standards including ASME B18.3, ensuring consistent quality and performance.
• Environmentally safe operation with RoHS 3 and REACH compliance, meeting global regulatory requirements.

Professional Applications & Engineering Value

This 1"-8 UNC Class 3A hex headless set screw is engineered to address critical industrial challenges, such as component slippage and corrosion-induced failure. Made from 18-8 Stainless Steel, it offers excellent resistance to rust and chemicals, making it suitable for machinery, automotive assemblies, and outdoor equipment. The coarse thread spacing and right-hand thread direction facilitate quick installation in high-vibration settings, while the cup tip ensures firm contact without marring surfaces. Ideal for precision set screws applications requiring reliable torque and alignment, this screw enhances operational safety and reduces maintenance needs in heavy-duty environments.

Specification Summary & Compliance

This set screw features a 1"-8 UNC thread size with Class 3A thread fit for precise tolerances, and a 3" length with coarse thread spacing. It complies with ASME B18.3 specifications for dimensional accuracy and is certified RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, ensuring adherence to environmental and safety standards.