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Bridge Washers

Posted: Sat Oct 04, 2025 6:57 pm
by Original Smith
The current bridge washer offerings are not made correctly. They got the thickness and shape correct, but didn't do the stamping correctly. Why? There is a round stamping around the stem hole to help the bridge washer seat on the tube. Is there anyone anywhere, that is capable of doing this?

Re: Bridge Washers

Posted: Sat Oct 04, 2025 7:26 pm
by Henry K. Lee
Simple..., use a correct piece of round stock, a correct "catch" at the bottom and do it in a hydraulic press!

Re: Bridge Washers

Posted: Sat Oct 04, 2025 7:44 pm
by Scott_Conger
Then watch them collect dust on a shelf!

Re: Bridge Washers

Posted: Sat Oct 04, 2025 7:53 pm
by Adam
There are plenty good used originals available for much less than a good reproduction would cost even if it was available. If you buy four you have a lifetime supply so why should anyone make them?

Re: Bridge Washers

Posted: Sat Oct 04, 2025 8:03 pm
by speedytinc
Original Smith wrote:
Sat Oct 04, 2025 6:57 pm
The current bridge washer offerings are not made correctly. They got the thickness and shape correct, but didn't do the stamping correctly. Why? There is a round stamping around the stem hole to help the bridge washer seat on the tube. Is there anyone anywhere, that is capable of doing this?
My take.
Originally the groves in the bridge washer clamped the tube stem together to hold the stem & be leak proof. Very effective.
Today the metal stems are vulcanized to piece of rubber & vulcanized or glued to the tube. The bridge washers no longer has to function to seal. No need for the circular groves to clamp the tube to the stem.

Re: Bridge Washers

Posted: Sat Oct 04, 2025 11:12 pm
by Steve Jelf
What Adam said. There are good originals still around. It should be pretty easy to find a few without spending a fortune. A WTB ad or two should do it.

Re: Bridge Washers

Posted: Sun Oct 05, 2025 5:18 pm
by CudaMan
The Model A bridge washers available from the vendors have the proper stamping, but the wrong outer shape. They can be cut down and de-burred to match the shape of Model T bridge washers. Why a supplier can't do the last step to get the proper outer shape is a mystery. :)

Re: Bridge Washers

Posted: Sun Oct 05, 2025 7:57 pm
by Allan
You will need to match the hole to the size of the valve stems. The smaller holes to suit the smaller stems on T tubes are more scarce.
Allan from down under.