#12 Machine Screw Washer Zinc M5 1/2-13 x 4 1/2 Carriage

1/2-13 x 4 1/2 Carriage Bolt 18-8 Stainless Steel Fully Threaded is a type of bolt with a round head and a square neck

and the zinc coating protects the screw from corrosion

They feature a plain finish and are designed for heavy-duty structural applications

This washer is designed to be used with #4 machine screws to provide a smooth bearing surface and to prevent the screw from damaging the material it is being fastened to

#12 Machine Screw Washer Zinc M5 1/2-13 x 4 1/2 Carriage#12 Machine Screw Washer Zinc The #12 Machine Screw Washer Zinc is a small, flat, round washer that is used to distribute the load of a screw or bolt. It is made of zinc plated steel, which provides corrosion resistance. The washer has an outer diameter of 0. 562 inches and an inner diameter of 0. 281 inches. It is 0. 032 inches thick. The washer is designed to be used with #12 machine screws.