The complete accessory to your fins, make sure you have the right sizes bolts to fit your board. These M6 A4 Marine grade stainless steel fin bolts are designed to resist corrosion.The Marine grade A4 is one of the toughest grades and will outlast the inferior A2 grade bolts that many sell. To accompany the bolts we have 18mm and 23mm A4 Grade Stainless steel Penny washers in addition to 24mm Hard rubber Washers to complete the set.
Available in sizes .35mm-45mm-50mm-60mm-70mm-80mm-100mm. Phillips raised panhead top for maximum purchase and grip when tightening.