Gibraltar 23060.0030 M30 Standard Flat Washer Din 6340

Product Description

The GIBRALTAR 23060.0030 is an M30 standard flat washer manufactured from steel with a black phosphate finish. It meets the DIN 6340 fastener standard and is designed to distribute load across bolt and nut bearing surfaces in heavy-duty mechanical and structural assemblies. The washer measures 31 mm inside diameter by 68 mm outside diameter and 10 mm thick, providing substantial bearing surface area for large-diameter fasteners. At 0.47 pounds, it is a solid, single-piece component suited for professional installation in demanding applications. Machinists, millwrights, and maintenance technicians work with this type of washer in fabrication, equipment assembly, and structural fastening tasks.

This washer is sized for M30 fasteners and is appropriate for use in industrial machinery, structural steel connections, heavy equipment, and similar applications where a metric DIN 6340 standard flat washer is specified. The black phosphate finish provides a degree of corrosion resistance and reduces galling during assembly. It is sold as a single unit and is suitable for both new installation and maintenance replacement work in environments that call for metric hardware.

Key Features

• M30 screw size with 31 mm inside diameter for precise fastener fitment
• 68 mm outside diameter delivers wide load distribution across bearing surfaces
• 10 mm thickness provides substantial rigidity under high-clamp-load conditions
• Black phosphate finish offers corrosion resistance and low-friction assembly
• Meets DIN 6340 fastener standard for metric heavy-duty washer applications
• Steel construction suited for structural and industrial mechanical assemblies

Compatibility

Designed for use with M30 metric fasteners in applications requiring a DIN 6340 standard flat washer. Suitable for structural, industrial, and heavy equipment assemblies specifying metric hardware.

Installation Notes

Installation is typically performed by machinists, millwrights, or maintenance technicians using standard metric tooling. Ensure the mating fastener and receiving surface are clean and free of debris before assembly. Apply consistent torque to the fastener per the assembly specification for the joint being serviced. Do not substitute this washer in applications requiring a different fastener standard or dimensional profile without confirming compatibility with the design specification.