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The zinc-plated 21920 Thread Adapter from Konig & Meyer is a reducing thread adapter that fits a female 3/8" thread and a 1/4" male thread size. It has an external diameter of 0.7" (18mm) and is built with a knurled…

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The zinc-plated 21920 Thread Adapter from Konig & Meyer is a reducing thread adapter that fits a female 3/8" thread and a 1/4" male thread size. It has an external diameter of 0.7" (18mm) and is built with a knurled surface for an easy grip.
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