S-91122A152 0.343" ID Square Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Precise fit and secure fastening with 0.343" inner diameter designed specifically for 5/16" screws
• Enhanced load distribution thanks to the 2" square width, reducing surface pressure and material stress
• Consistent durability ensured by Rockwell B68 hardness, maintaining shape under mechanical stress
• Reliable thickness tolerance between 0.056" and 0.063" for uniform performance in assembly applications
• Global compliance assurance with RoHS 3 and REACH standards, meeting international environmental regulations
• Broad industrial compatibility in inch measurement systems, simplifying procurement for North American machinery

Professional Applications & Engineering Value

This square washer delivers critical engineering value by addressing common industrial fastening challenges. The 18-8 stainless steel material provides excellent corrosion resistance, making it suitable for outdoor equipment, marine applications, and chemical processing plants where moisture and corrosive agents are present. The square shape offers superior load distribution compared to round washers, preventing embedding in soft materials and maintaining bolt tension in high-vibration environments like machinery bases and structural frameworks. With its specific 5/16" screw size compatibility and inch system dimensions, it ensures precise fitment in automotive, construction, and heavy equipment assemblies, reducing installation time and improving joint integrity.

Specification Summary & Compliance

This square washer features an inner diameter of 0.343" with thickness ranging from 0.056" to 0.063" and width of 2", manufactured from 18-8 stainless steel with Rockwell B68 hardness. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and restricted substance compliance for global industrial applications.