Balboa #8 x 5/8" split-nut self tapping screws In stock 0,60€incl. 20% VAT Quantity: Add to basket These self-tapping screws are a spare part for the Balboa and Waterway 2" heater split nuts, and are used to hold the two parts together. Sold individually. DimensionsMax. diameter: 6 mmTotal length: 18 mm Part numbersBalboa : 50087