Plans for D-block adapter ring

The D-block requires a ring that has an external diameter of 49mm, height of 6mm and a single grove that is 1mm deep, 2mm wide running midway around the outer circumference of the ring. The interrior of the ring needs a bore that will accept the Takahashi reducer for Mewlons (43mm P=0.75). This ring is inserted into the D-Block. The D-Block has three screws that will enable the new ring to be to securely attached.

D-block adapter ring

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