S-91717A220 5.5 mm ID x 18 mm OD Clipped Washers
Clipped 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
- Superior corrosion resistance through zinc-plated steel construction, extending service life in demanding environments
- Enhanced load distribution with 18mm outer diameter, preventing surface damage and maintaining joint integrity
- Secure M5 screw retention with precision 5.5mm inner diameter for stable fastening alignment
- Optimized space efficiency featuring 14.9mm clipped width for compact assemblies without compromising performance
- Exceptional durability with Rockwell B55 hardness rating, resisting deformation under heavy loads
- Consistent thickness control (0.9-1.1mm) ensuring uniform pressure distribution across mating surfaces
- Global regulatory compliance meeting RoHS 3 and REACH standards for international supply chain integration
Professional Applications & Engineering Value
This M5 clipped washer delivers critical engineering solutions through its zinc-plated steel construction and precision dimensions. The clipped design enables efficient installation in tight spaces commonly found in electrical enclosures, machinery guards, and automotive assemblies where full-circle washers cannot fit. The Rockwell B55 hardness ensures reliable performance in vibration-prone applications, preventing loosening while the zinc plating provides essential corrosion protection for outdoor equipment and industrial environments. Engineers specify this metric washer for its ability to maintain clamping force in heavy-duty applications while complying with international environmental standards, making it ideal for OEM manufacturing and MRO operations requiring consistent, reliable fastening solutions.
Specification Summary & Compliance
Manufactured to precise metric dimensions with 5.5mm ID, 18mm OD, and 0.9-1.1mm thickness tolerance. Features standard M5 screw compatibility with 14.9mm clipped width configuration. Material hardness certified to Rockwell B55 specifications. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, including the latest SVHC requirements as of June 14, 2023.
