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Which collets fit the JessEm Pow-R-Tek router motor?
The JessEm Pow-R-Tek SR router motor uses standard ER20 collets. It only comes with collets for 1/4 and 1/2 inch, so for bits with 6, 8 or 12 mm shanks you will need to buy additional collets.
ER20 collets are available from well-stocked machinery and online shops. They are sometimes sold in a fixed size (for example 12 mm) and sometimes as a range (for example 12–13 mm) that covers every size in between.
Note that only the collet itself can be swapped, not the nut, because the JessEm nut has a different thread from the one commonly used in Sweden. We do not sell ER20 collets ourselves.
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