S-91133A192 1.938" ID Square Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with galvanized steel construction, ideal for harsh industrial environments
• Exceptional load distribution due to 3" square design, preventing surface damage and fastener loosening
• Precise compatibility with 1 3/4" screws through accurate 1.938" inner diameter sizing
• Enhanced durability from Rockwell B40 hardness, maintaining structural integrity under heavy loads
• Reliable thickness range (0.220-0.280") ensuring consistent performance and vibration resistance
• Global compliance assurance meeting RoHS 3 and REACH standards for safe industrial use
• Heavy-duty construction designed for demanding applications requiring long-term mechanical stability

Professional Applications & Engineering Value

This galvanized steel square washer delivers critical engineering solutions where standard washers fail. The 3" width provides maximum surface contact, distributing clamp load effectively to prevent material deformation in structural steel connections, heavy machinery assembly, and construction applications. The zinc coating creates a sacrificial barrier against rust and chemical exposure, significantly extending service life in outdoor or corrosive environments. With Rockwell B40 hardness, it maintains dimensional stability under sustained vibration and pressure, making it ideal for industrial washers applications requiring reliable, long-term fastening solutions without frequent maintenance replacements.

Specification Summary & Compliance

Manufactured to inch system specifications with precise 1.938" inner diameter for 1 3/4" screw compatibility. Features consistent thickness tolerance (0.220-0.280") and galvanized steel material with Rockwell B40 hardness rating. Fully compliant with RoHS 3 (2015/863/EU) under exemption 6(a) for lead as steel alloying element and REACH (EC 1907/2006) regulations as of January 17, 2023, ensuring environmental and safety standards for industrial distribution.