S-98180A180 0.158" ID x 0.38" OD ASME B18.21.1 SAE Washers

Key Features & Benefits at a Glance

• Exceptional load distribution with precise 0.158" ID and 0.38" OD dimensions for No. 6 screws, preventing surface damage and maintaining joint integrity
• Superior corrosion resistance from zinc-flake coating, ensuring long-term performance in harsh industrial environments
• High-strength durability with Rockwell C38 hardness and Grade 8 classification, suitable for heavy-duty applications
• Reliable dimensional consistency manufactured to ASME B18.21.1 standards for perfect fit and predictable performance
• Environmental compliance assurance meeting RoHS 3 and REACH regulations for safe, sustainable industrial use
• Optimized thickness range (0.036-0.065") providing ideal compression and vibration resistance characteristics
• Enhanced fastener system performance through proper load distribution and surface protection for No. 6 screw assemblies

Professional Applications & Engineering Value

These Grade 8 SAE flat washers deliver critical engineering solutions where corrosion resistance and structural integrity are paramount. The zinc-flake coated steel construction provides exceptional protection against environmental degradation while maintaining the high-strength characteristics required for demanding applications. Engineered specifically for No. 6 screw sizes in inch system assemblies, these washers prevent loosening under vibration and distribute clamping forces evenly to protect sensitive surfaces. The precise 0.158" ID and 0.38" OD dimensions ensure perfect fitment in automotive, machinery, and industrial equipment applications where reliable fastener performance cannot be compromised. Their ASME B18.21.1 compliance guarantees dimensional accuracy and mechanical properties that engineering specifications demand.

Specification Summary & Compliance

Manufactured to ASME B18.21.1 standards with precise dimensional tolerances for consistent performance. Features Rockwell C38 hardness and Grade 8 strength classification for heavy-duty applications. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Designed for No. 6 screw sizes in inch measurement systems with internal diameter of 0.158", outer diameter of 0.38", and thickness range of 0.036-0.065".