S-90300A210 1/2"-13 x 1" Hex Head Screws with Flat Washer

Key Features & Benefits at a Glance

• Exceptional corrosion resistance thanks to 18-8 Stainless Steel construction, ideal for harsh environments and long-term reliability.
• Superior mechanical strength with a 100,000 psi tensile strength and Rockwell B95 hardness for demanding, high-stress applications.
• Integrated flat washer design distributes load evenly, prevents surface damage, and simplifies assembly by eliminating a separate component.
• Reliable and fast installation with a coarse UNC thread and Class 2A fit, ensuring easy starting and consistent engagement.
• Secure external hex drive allows for high-torque tightening with standard tools, providing a firm, slip-resistant connection.
• Full threading along the 1" length offers maximum grip and adjustability in a wide range of material thicknesses.
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and suitability for global industrial markets.

Professional Applications & Engineering Value

This 1/2"-13 UNC Hex Head Screw is engineered to solve critical challenges in industrial assembly and construction. The 18-8 Stainless Steel material provides excellent resistance to rust and corrosion, making it perfect for outdoor equipment, marine hardware, and chemical processing facilities where environmental factors degrade lesser materials. The integrated flat washer, made from the same durable stainless steel, eliminates the risk of loosening under vibration and protects sensitive surfaces from galling and indentation. With its coarse thread and Class 2A fit, it ensures quick, reliable fastening in wood, metal, and composite materials, reducing installation time and improving project efficiency. Its 100,000 psi tensile strength guarantees that joints remain secure under heavy loads, providing peace of mind in structural and machinery applications.

Specification Summary & Compliance

This screw features a 1/2"-13 UNC coarse thread with a Class 2A thread fit for standard tolerance and reliable engagement. The fully threaded 1" length and external hex drive ensure consistent performance. It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to strict environmental and safety standards for industrial use.