Midwest Fasteners SAE Grade 2 Zinc Plated Steel Flat Washers

Midwest Fasteners SAE Grade 2 Zinc Plated Steel Flat Washers

The Midwest Fasteners SAE Grade 2 Zinc Plated Steel Flat Washer family is a general-purpose, load-spreading washer built for everyday assembly, maintenance, and repair fastening. Made from steel with a zinc plated finish, this SAE-pattern washer line is offered in seven sizes ranging from #6 x 5/32" x 3/8" up through 1/2" x 17/32" x 1-1/16", including #8 x 3/16" x 7/16", #10 x 7/32" x 1/2", 1/4" x 9/32" x 5/8", 5/16" x 11/32" x 11/16", and 3/8" x 13/32" x 13/16", so you can match the washer to the bolt or screw on the job. Every size in the lineup shares the same Grade 2 strength classification and zinc plated steel construction, giving contractors, maintenance techs, and fabricators a dependable, corrosion-resistant washer for bolted and screwed connections.

Key Features

• Type: SAE pattern flat washer for use under bolt and nut heads in general assembly work.
• Size Range: Available in seven SAE sizes from #6 x 5/32" x 3/8" up to 1/2" x 17/32" x 1-1/16", covering most common bolt and screw diameters used in general fastening.
• Material & Finish: Steel construction with a zinc plated coating for corrosion resistance and a clean, consistent appearance across every size.
• Grade: Grade 2, suitable for general-purpose fastening where high-strength hardware is not required.
• Function: Spreads clamping load across a wider bearing surface, reducing point pressure on the substrate and helping prevent surface damage.
• Compatibility: Designed for use beneath standard SAE hex bolts, cap screws, and nuts in routine maintenance, repair, and assembly applications.

Technical Specifications

• Product Type: Flat Washer
• Product Finish: Zinc Plated
• Grade: Grade 2
• Country of Origin: China
• Product Material: Steel
• Washer Size Options: #6 x 5/32" x 3/8", #8 x 3/16" x 7/16", #10 x 7/32" x 1/2", 1/4" x 9/32" x 5/8", 5/16" x 11/32" x 11/16", 3/8" x 13/32" x 13/16", 1/2" x 17/32" x 1-1/16"

Typical Applications

• General maintenance and repair fastening where a wide bearing surface is needed under a bolt or nut.
• Assembly of machinery, equipment, and fixtures using standard SAE hex bolts and cap screws.
• Protecting painted or finished surfaces from galling and point-load damage during bolt-up.
• Jobsite and shop fastening tasks where a Grade 2 zinc plated washer meets the strength requirement.
• Stocking a full range of SAE washer sizes for mixed-diameter fastening work.

Why Midwest Fasteners?

Midwest Fasteners supplies this SAE flat washer family in consistent Grade 2 steel construction with a reliable zinc plated finish across all seven sizes, giving contractors, maintenance techs, and fabricators a dependable, corrosion-resistant washer for everyday bolted connections. Consistent sizing and finish across the full range make it easy to stock and specify for repair and assembly work of all scales.