S-94744A734 4.7 mm ID x 15.8 mm OD ASME B18.22M ASME Washers
ASME Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
- Precision dimensional fit with 4.7mm ID and 15.8mm OD ensuring perfect alignment with M4 fasteners
- Optimized load distribution across wider 15.8mm surface area to prevent surface damage and joint loosening
- Industry-standard compliance with ASME B18.22M specifications guaranteeing consistent quality and interchangeability
- Environmental regulation adherence through REACH compliance for safe usage in regulated industries
- Versatile thickness range (1.6-2.3mm) accommodating various assembly requirements and tolerance stack-ups
- Enhanced electrical conductivity compared to non-metallic alternatives for grounding applications
Professional Applications & Engineering Value
This M4 metric flat washer delivers critical engineering value through its zinc-plated steel composition and precision manufacturing. The corrosion-resistant surface treatment provides essential protection against environmental degradation in industrial settings, while the standardized dimensions ensure reliable performance in automotive assembly, machinery manufacturing, and electrical enclosures. The washer's optimized outer diameter distributes clamping forces effectively, preventing surface damage to soft materials and maintaining joint integrity under vibration. Meeting ASME B18.22M standards, these washers offer predictable performance in high-volume production environments where consistency and reliability are paramount for manufacturing efficiency and product safety.
Specification Summary & Compliance
Manufactured to ASME B18.22M dimensional standards with inner diameter of 4.7mm, outer diameter of 15.8mm, and thickness ranging 1.6-2.3mm. Constructed from zinc-plated steel for corrosion protection. Fully compliant with REACH (EC 1907/2006) regulations regarding substance restrictions. Designed specifically for use with M4 screw sizes in metric fastener systems.
