S-94744A719 32.5 mm ID x 55.5 mm OD ASME B18.22M ASME Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in humid or outdoor environments
• Optimal load distribution due to precise 55.5mm outer diameter, preventing surface damage and fastener loosening
• Perfect fit for M30 screws with 32.5mm inner diameter, ensuring secure fastening without play
• Industry-standard compliance with ASME B18.22M, guaranteeing dimensional accuracy and interchangeability
• Environmental safety assurance through REACH compliance, meeting strict EU chemical regulations
• Robust mechanical performance with 4.0-5.1mm thickness range, suitable for heavy-duty applications
• Metric system compatibility for seamless integration with international machinery and equipment

Professional Applications & Engineering Value

This M30 zinc-plated steel flat washer delivers critical engineering solutions where vibration resistance and surface protection are paramount. The zinc plating creates a sacrificial barrier that significantly enhances corrosion resistance in demanding environments like construction equipment, agricultural machinery, and outdoor structural assemblies. With its ASME B18.22M compliance, this metric flat washer ensures precise dimensional tolerances for consistent performance in industrial applications requiring reliable load distribution. The carefully calibrated 32.5mm ID provides secure seating on M30 fasteners while the 55.5mm OD effectively distributes clamping force, preventing joint failure and material deformation in heavy machinery, conveyor systems, and structural steel connections.

Specification Summary & Compliance

This flat washer features metric dimensions with 32.5mm inner diameter and 55.5mm outer diameter, manufactured from zinc-plated steel with thickness ranging 4.000mm-5.100mm. The product strictly conforms to ASME B18.22M mechanical standards for dimensional accuracy and is fully REACH compliant (EC 1907/2006) as of January 17, 2022, meeting environmental safety requirements for industrial use across international markets.