S-90910A951 M2.6 x 6 mm ASME B18.3.4M Stainless Steel Button Head Torx Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh environments and extended service life.
• Enhanced torque transmission and strip-resistance provided by the Torx T8 drive, ensuring secure fastening and reduced tool wear.
• High tensile strength of 100,000 psi delivers reliable clamping force and structural integrity for demanding applications.
• Precise and consistent threading with Class 4g6g fit and full threading for maximum engagement and vibration resistance.
• Low-profile, rounded button head design offers a finished appearance and minimizes snagging in compact assemblies.
• Compliance with major industry standards including ASME B18.3.4M, ensuring dimensional accuracy and interchangeability.
• Environmental regulation compliance with RoHS 3 and REACH, making them suitable for global supply chains and sensitive applications.

Professional Applications & Engineering Value

This M2.6 metric screw is engineered to address critical challenges in precision assembly and industrial maintenance. The 18-8 Stainless Steel material, combined with a passivated finish, provides excellent resistance to oxidation and chemical exposure, preventing failure in humid or corrosive environments. The Torx button head with a T8 drive allows for higher torque application compared to Phillips or slotted drives, reducing the risk of cam-out and damage during installation in tight spaces common in electronics, automotive controls, and medical devices. Its fully threaded design and coarse 0.45 mm pitch ensure rapid assembly and strong holding power, making it a reliable choice for high-vibration applications where fastener loosening is a concern. This combination of precision engineering and durable materials delivers long-term reliability, reducing maintenance cycles and total cost of ownership.

Specification Summary & Compliance

This screw adheres to precise dimensional standards with a Class 4g6g thread fit per metric specifications, ensuring consistent performance and interchangeability. It is manufactured in compliance with the ASME B18.3.4M standard for metric machine screws. The product meets critical regulatory requirements, being RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming the absence of restricted hazardous substances and supporting use in environmentally conscious and regulated industries.