S-92908A809 6.4 mm ID x 32 mm OD Finishing Washers
Finishing Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
Geometric Parameters
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Key Features & Benefits at a Glance
- Perfect Flush Mounting - 100° countersink angle ensures smooth, level surfaces with M6 screws for clean professional finishes
- Enhanced Corrosion Resistance - Black-oxide steel construction provides superior protection against rust and environmental degradation
- Exceptional Durability - Rockwell 15N80 hardness rating guarantees long-lasting performance under mechanical stress
- Precision Fit & Alignment - 6.4mm ID and 32mm OD dimensions ensure accurate positioning and optimal load distribution
- Reliable Industrial Performance - 3.7-4.3mm thickness range maintains consistent pressure distribution across applications
- Global Compliance Ready - Meets RoHS 3 and REACH environmental standards for international market acceptance
- Metric System Compatibility - Standard M6 sizing ensures seamless integration with existing metric fastener systems
Professional Applications & Engineering Value
These M6 metric countersunk washers deliver critical engineering solutions where flush surface mounting is essential. The black-oxide steel construction combined with the precise 100° countersink angle addresses common industrial challenges including corrosion resistance, vibration-induced loosening, and uneven load distribution. Engineered with Rockwell 15N80 hardness, these washers maintain structural integrity in demanding applications such as machinery assembly, automotive components, and electrical enclosures where consistent performance under mechanical stress is paramount. The optimized dimensions ensure perfect alignment with M6 screws, preventing surface damage while distributing clamping forces evenly across joined materials.
Specification Summary & Compliance
This countersunk washer features precise dimensional specifications: 6.4mm inner diameter, 32mm outer diameter, and 3.7-4.3mm thickness range. Manufactured from black-oxide steel with Rockwell 15N80 hardness and standardized 100° countersink angle for metric fastener systems. Compliant with RoHS 3 (2015/863/EU) with exemption 6(a) for lead as an alloying element in steel, and REACH (EC 1907/2006) regulations current as of January 17, 2023, covering 233 Substances of Very High Concern.
