This BI washer may be used in general fastening, repair, installation, construction, maintenance, equipment assembly, and workshop applications. It is commonly placed between a bolt head or nut and the surface being fastened to help spread pressure over a wider area.

• Black iron washer for selected fastening applications

• Also known as a BI washer or black washer

• Flat washer design for bolt and nut support

• Used with compatible bolts, nuts, screws, threaded rods, and fasteners

• Helps distribute load and fastening pressure

• Helps protect surfaces from direct bolt or nut pressure

• Useful for construction, repair, installation, equipment, and maintenance work

• Available sizes and quantities may vary by branch stock

• Best confirmed by sample, measurement, or required bolt size before purchase