Bonded Seal (Dowty Seal) For 1/4 BSP, 1/2 UNF and M12
Bonded 'dowty' type seal for use on oil and fuel lines to seal adaptors against machined faces. A highly effective type of seal usually giving a better seal than copper/aluminium washers. This size is for 1/4" BSP, 1/2" UNF and M12 threads.