Drill Spool Winder

You'll need an m8 or 1/4" (0.25) bolt or all thread about 4-6" (100-150mm) and two nuts.

There are several versions for 1/4" or M8 bolt with a slip fit or the proper size for cutting threads.

Files labelled slip are a slip fit for the m8 or 1/4" bolt as specified in the file name.
Files labelled cut are sized for tapping threads for the specified bolt size.

0.25 = 1/4"
M8 is M8

There are two sizes. 30 to 61 diameter and 48 to 75 diameter. Both should fit most spools.