Profile: Kingpin Manufacturing Ltd. produces and supplies a wide range of earth tags, locknuts and washers in various materials to suit the cable gland industry requirement. Earth tags provide an earth bond for cable glands. Stainless steel earth tags, aluminum earth tags and nickel plated earth tags are also available. We manufacture in banjo and semi tan gentle shape, in any material thickness up to 2mm thick. Our sizes go from M16 to M130 and ½ inch npt to 4inch npt. We make many other components for the plumbing trade, photography trade and have a capacity on presswork from 10 tonne to 60 tonne with automatic feeding if required.