Midwest Fasteners Class 8 Zinc Plated Steel Wavy Lock Washer

Midwest Fasteners Class 8 Zinc Plated Steel Wavy Lock Washer

Midwest Fasteners' Class 8 steel wavy lock washer line gives maintenance techs, machine builders, and fabricators a dependable, zinc-plated lock washer sized to match metric bolts and cap screws across a full range of inside diameters from 3mm through 20mm. Every washer in the line is built from Class 8 steel with a zinc finish for corrosion resistance, giving buyers a repeatable spec no matter which diameter the job calls for. The wavy profile uses a spring-like waved shape under the fastener head to help maintain clamp load and resist loosening from vibration, making it a practical upgrade over a plain flat washer in bolted metric assemblies. This full metric size range makes the washer a straightforward single-source option for shops that service equipment and assemblies using a variety of metric fastener diameters, without having to stock washers from multiple suppliers. Each size in the range is sold Each, so buyers can order the exact diameter needed rather than a fixed assortment.

Key Features

• Size Range: available in 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, and 20mm inside diameters to match a wide range of metric bolts and cap screws.
• Material & Finish: Class 8 steel construction with a zinc finish for corrosion resistance in general assembly environments.
• Type: wavy profile lock washer designed to help maintain clamp load under vibration compared to a flat washer alone.
• Grade: Class 8 steel for added strength over standard low-carbon washer stock.
• Package: each diameter is sold Each, letting buyers order the exact metric size needed for the assembly.

Technical Specifications

• Refer to manufacturer documentation for complete technical specifications.

Typical Applications

• Metric bolted assemblies on machinery and equipment where vibration resistance is needed.
• General maintenance and repair work using metric fasteners across a range of diameters.
• Fabrication projects requiring a zinc-finished steel lock washer under a bolt head or nut.
• Replacement hardware for metric equipment and panel assemblies of varying sizes.

Why Midwest Fasteners?

Midwest Fasteners supplies Class 8 steel hardware with a consistent zinc finish across its full metric wavy lock washer line, so maintenance techs and fabricators can count on repeatable sizing and corrosion resistance from batch to batch, regardless of which diameter they select, from 3mm up through 20mm. That consistency matters for shops stocking a wide span of metric hardware, since a buyer can specify the same Class 8 zinc-finished wavy washer at any diameter in the lineup and expect the same material quality and corrosion protection. Every washer in the range is manufactured to the same stated material and finish spec, giving professional buyers a dependable option for metric fastening work that calls for vibration-resistant hardware rather than a plain flat washer.