#4 Machine Screw Washer Zinc 1/2-13 3/8-16 x 2 Ribbed Neck

3/8-16 x 2 Ribbed Neck Carriage Bolt Fully Threaded 18-8 Stainless Steel is a type of bolt that is used to fasten two pieces of metal together

they feature a #3 head and plain finish

This carriage bolt is made of steel and has a galvanized finish for corrosion resistance

1/2" External Tooth Lock Washer Zinc is a thin

The black zinc coating offers corrosion resistance

#4 Machine Screw Washer Zinc 1/2-13 3/8-16 x 2 Ribbed Neck#4 Machine Screw Washer Zinc This #4 machine screw washer is made of zinc plated steel and is designed to be used with #4 machine screws. It has an outer diameter of 0. 375 inches and an inner diameter of 0. 138 inches. The washer is 0. 032 inches thick. It is used to distribute the load of the screw and to prevent the screw from damaging the surface of the material it is being screwed into.