S-98040A105 8.4 mm ID x 22 mm OD Oversized Washers
Oversized 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 protection with black-oxide steel finish, extending service life in harsh industrial environments
- Exceptional load distribution from precise 22mm outer diameter, preventing surface damage and joint loosening
- Optimized M8 compatibility with 8.4mm inner diameter ensuring perfect fit and vibration resistance
- Enhanced mechanical strength through Rockwell 15N80 hardness rating for heavy-duty applications
- Consistent performance maintained across 4.5-5.4mm thickness range for reliable sealing and spacing
- Global compliance assurance meeting RoHS 3 and REACH standards for international supply chain integration
- Reduced maintenance cycles through durable steel construction and corrosion-resistant treatment
Professional Applications & Engineering Value
This M8 metric flat washer delivers critical engineering solutions for industrial assembly challenges. The black-oxide steel construction provides essential corrosion resistance in manufacturing environments exposed to moisture and chemicals, while the Rockwell 15N80 hardness ensures dimensional stability under sustained mechanical stress. Precision-engineered with 8.4mm ID for perfect M8 screw alignment and 22mm OD for optimal load distribution, this flat washer prevents fastener loosening in vibrating machinery, automotive assemblies, and heavy equipment. Its compliance with international environmental standards makes it ideal for OEMs requiring reliable industrial washers that meet global regulatory requirements without compromising performance.
Specification Summary & Compliance
Manufactured to metric dimensional standards with inner diameter 8.4mm, outer diameter 22mm, and thickness range 4.5-5.4mm. Material specifications include black-oxide steel with Rockwell 15N80 hardness for consistent mechanical properties. Compliant with RoHS 3 (2015/863/EU) under exemption 6(a) for lead as alloying element in steel and REACH (EC 1907/2006) regulations updated January 17, 2023 covering 233 SVHC substances.
