Why is a tap washer that is 5/8th", 16mm in diameter considered to be a 3/8th" washer?
Tap washer confusion?
Jun 05, 2020
Last reply: 6 years ago
2 Replies
Taps, their washers and the threads used are rated according to the bore of the pipe, not their physical size.
I don't know is this a plumbers Christmas cracker joke? Brian
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