Midwest Fasteners Hot-Dip Galvanized Grade 2 Steel Split Lock Washer

Midwest Fasteners Hot-Dip Galvanized Grade 2 Steel Split Lock Washer

The Midwest Fasteners Split Lock Washer is a Grade 2 steel washer finished with hot-dip galvanizing for strong corrosion resistance in outdoor and exposed-metal applications. This washer family is available in sizes from 1/4" x 31/64" through 1/2" x 7/8", including 3/8" x 11/16" and 5/16" x 19/32" options, so you can match the washer to the diameter of the fastener in your assembly. Split lock washers like these are designed to sit under a nut or bolt head and resist loosening caused by vibration or thermal cycling, making them a staple for any assembly where fastener retention matters. Built from Grade 2 steel for dependable strength under compression, each size in this family is sold as an individual fastener component intended for use alongside compatible nuts, bolts, and cap screws of the matching thread size.

Key Features

• Size Range: Available from 1/4" x 31/64" up to 1/2" x 7/8", with 3/8" x 11/16" and 5/16" x 19/32" also offered, matched to corresponding fastener diameters.
• Material & Finish: Grade 2 steel construction with a hot-dip galvanized finish for enhanced corrosion resistance in outdoor, damp, or exposed-metal environments.
• Type: Split lock washer design that provides spring tension under a bolt head or nut to resist loosening from vibration.
• Grade: Grade 2 steel, suited to general-purpose fastening tasks.
• Compatibility: Designed for use with bolts, cap screws, or machine screws and a matching nut of the corresponding thread size for each washer size.

Technical Specifications

• Product Type: Lock Washer
• Product Finish: Hot-Dip Galvanized
• Grade: Grade 2
• Country of Origin: China
• Product Material: Steel
• Available Sizes: 1/4" x 31/64", 5/16" x 19/32", 3/8" x 11/16", 1/2" x 7/8"

Typical Applications

• General maintenance and repair assemblies using common bolted hardware
• Outdoor fencing, railing, and structural brackets exposed to moisture
• Equipment and machinery assembly where vibration resistance is needed
• Agricultural and jobsite fastening where corrosion resistance is beneficial
• Replacement of worn or missing lock washers in existing bolted connections

Why Midwest Fasteners?

Midwest Fasteners supplies steel hardware built to consistent sizing and finish standards, and this Grade 2 split lock washer family is no exception, with its hot-dip galvanized coating delivering the corrosion resistance contractors and maintenance techs need for exposed-metal work across every size from 1/4" x 31/64" to 1/2" x 7/8". Choosing a properly sized, galvanized lock washer helps keep bolted connections tight over time, reducing callbacks from loosened hardware. Stock up on this full size range to keep your fastener bins ready for general repair, outdoor, and equipment assembly jobs.