Corrosion Proof Industrial Coupler is offered in different sizes such as 14mm, 16mm and 19mm. Corrosion Proof Industrial Coupler is made from copper alloy and counter bored to completely enclose threads, protecting them from damage and corrosion. The Industrial Coupler is offered in a compact design and can be easily installed. Corrosion Proof Industrial Coupler comes in different specifications to suit industrial requirement.