M12 Copper Washer — Banjo Bolt Sealing Washer A high-quality copper sealing washer designed for use with M12 banjo bolt fittings on brake and clutch hydraulic systems. Copper washers conform under torque to create a reliable, leak-free hydraulic seal — an essential component when fitting or replacing brake line connections. Sold individually — price per washer. Key Features Correct Fit: Sized specifically for M12 banjo bolt applications Reliable Hydraulic Seal: Copper construction deforms under torque to eliminate fluid leaks Single Use: Should be replaced each time a banjo bolt is removed to ensure a proper seal Broad Compatibility: Suitable for brake and clutch hydraulic line connections across a wide range of vehicles Specification Thread Size: M12Material: CopperApplication: Banjo bolt sealing washer — brake & clutch hydraulic systemsSold: Individually (price per washer)