S-95289A150 5/16"-18 x 3/4" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and reducing replacement frequency.
• Exceptional holding power and vibration resistance from the Class 3A thread fit and coarse UNC thread, ensuring a secure, long-lasting connection.
• High-strength durability with a Rockwell B80 hardness, providing reliable performance under significant mechanical stress.
• Easy and secure installation using a standard 5/32" hex key, allowing for high torque application in confined, headless designs.
• Enhanced grip and alignment from the extended tip, which increases surface contact for a more positive set in your application.
• Precision-engineered dimensions with tight tolerances on the tip, guaranteeing consistent performance and fit.
• Guaranteed compliance and reliability by meeting ASME B18.3 standards and environmental regulations like RoHS and REACH.

Professional Applications & Engineering Value

This 5/16"-18 UNC set screw is engineered to solve critical challenges in industrial assembly and machinery. The 18-8 Stainless Steel material provides excellent resistance to rust and corrosion, making it suitable for applications in manufacturing, automotive, and outdoor equipment where environmental factors are a concern. The headless design with a hex drive allows for flush mounting in tight spaces, while the coarse thread and Class 3A fit ensure a strong, vibration-resistant hold that prevents loosening under dynamic loads. The extended tip offers improved biting action on shafts and collars, enhancing torque transmission and alignment. This combination of durable materials and precision threading delivers reliable performance in demanding set screw applications, reducing maintenance needs and improving operational safety.

Specification Summary & Compliance

This set screw adheres to precise dimensional standards, including a Class 3A thread fit for superior accuracy and a UNC coarse thread profile. It is manufactured in compliance with the ASME B18.3 specification, ensuring consistent quality and interchangeability. The product is also confirmed to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for industrial use.