Product Review

SeaLux Marine 316 Stainless Steel 5/8"-18 Steering Wheel Center/Hub retaining Nut for hydraulic helms system Boat, Yacht. SeaStar hydraulic helms and Verado helms use a 5/8"-18 nut, Helm size: 5/8" diameter, thread: 18 thread/inch. Also check out our SeaLux Marine 316 Stainless Steel 1/2"-20 Steering Wheel Center/Hub Nut for hydraulic helms system Boat, Yacht. Link: https://www.amazon.com/dp/B06W58HF8T; SeaStar hydraulic helms and Verado helms use a 5/8"-18 nut, Teleflex manual cable type steering helms use a 1/2"-20 nut. UFLEX/Ultraflex helms are made in Italy and use a metric nut.