S-90015A417 1/4"-20 x 1 1/4" Stainless Steel Oversized Truss Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 Stainless Steel construction and passivated finish, ideal for harsh environments.
• Exceptional holding power with 80,000 psi tensile strength and Rockwell B85 hardness for reliable, heavy-duty fastening.
• Easy installation and wide bearing surface from the low, wide truss head design, reducing surface damage and improving load distribution.
• Quick assembly facilitated by coarse UNC 1/4"-20 threading and Class 2A fit, ensuring smooth engagement and time savings.
• Maximum thread engagement due to the fully threaded shank, providing consistent clamping force along the entire 1-1/4" length.
• Broad compatibility with standard UNC threaded components, making it a versatile choice for various industrial applications.
• Compliance with strict environmental regulations including RoHS 3 and REACH, ensuring safe and sustainable use in global markets.

Professional Applications & Engineering Value

This low truss head slotted screw is engineered to address common industrial challenges such as vibration loosening and corrosion-induced failure. The 18-8 Stainless Steel material, combined with a passivated finish, provides excellent resistance to rust and chemicals, making it ideal for outdoor equipment, marine hardware, and food processing machinery. The rounded truss head offers a low-profile design that minimizes protrusion while increasing the clamping area, which helps prevent damage to soft materials and ensures a secure fit under dynamic loads. With its coarse UNC thread and Class 2A fit, this screw allows for rapid installation and reliable performance in assemblies requiring repeated maintenance, reducing downtime and enhancing operational efficiency in industrial fastening applications.

Specification Summary & Compliance

This screw features precise UNC 1/4"-20 coarse threading with a Class 2A thread fit for consistent dimensional accuracy and ease of assembly. It is manufactured from 18-8 Stainless Steel with a passivated finish to enhance durability. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets international environmental and safety standards for hazardous substances.