Thread pitch is 1mm and 26tpi respectively.
Reduction bush 10mm male to 8mm female
Reduction bush 10mm male to 4mm female
Connection bush 10mm male to 10mm female
2 pack LIGHT FITTING REDUCTION BUSH BRASS 10mm FEMALE to 1/2" MALE
Reduction bush 1/2" male to 11mm female
Reduction bush 1/2" female to 10mm female
