What Are Banjo Bolts Used For?
What Are Banjo Bolts Used For? A banjo bolt is a fastener that holds a banjo together, of course. Kidding. A banjo bolt is one half of a banjo fitting. Banjo fittings are frequently used to pass pressurized fluid. What thread is a banjo bolt? Banjo Bolt, Thread Size: M12 x 1.5; Bolt Length: 20mm.