Gibraltar 42624G Flat Washer 5/8 Inch Case Hardened Steel

Product Description

The GIBRALTAR 42624G is a standard flat washer designed for 5/8 inch screw fastener applications. Manufactured from case-hardened 1010 steel with a black oxide finish, this washer distributes load across the fastener bearing surface and helps reduce fastener pull-through in structural and mechanical assemblies. The black oxide finish provides a basic level of corrosion resistance suitable for indoor and light-duty applications. With an inside diameter of 21/32 inches, an outside diameter of 1-3/8 inches, and a thickness of 3/16 inches, the 42624G meets standard inch-series dimensional specifications for 5/8 inch fastener hardware.

This washer is used in general mechanical, structural, and equipment assembly work where a standard inch-series flat washer is called for. Typical applications include bolted steel connections, equipment mounting, and general-purpose fastener assemblies in commercial, industrial, and trade settings. Licensed tradespeople across plumbing, HVAC, electrical, and general construction commonly stock this size for field use. It is sold in a minimum order quantity of 10 pieces, with each package containing one washer.

Key Features

• Case-hardened 1010 steel construction for reliable load distribution under fastener torque
• Black oxide finish for basic corrosion resistance and clean appearance on finished assemblies
• Standard inch-series dimensions: 21/32 inches ID, 1-3/8 inches OD, 3/16 inches thick
• Sized for 5/8 inch screw applications in both structural and mechanical installs
• Minimum order quantity of 10 pieces supports bulk field stocking

Compatibility

Designed as a standard inch-series flat washer for use with 5/8 inch screw and bolt fasteners in general mechanical and structural assemblies.

Installation Notes

Install with standard hand or power tools appropriate for 5/8 inch fastener hardware. Ensure the washer seats flat against the bearing surface before torquing the fastener. Black oxide finish is not rated for outdoor or high-moisture environments without additional corrosion protection. Follow applicable mechanical or structural codes for fastener assembly torque and load requirements.