Octagon knob with hex nut pocket M8 - clamping knob, 4 sizes 25/30/36/44 mm, no supports

Eight flats. Twelve would have been invisible - the faces would sit less than one percent below the circle. Eight sit at 92.4 percent, and that you can see and feel. Takes a DIN 934 hex nut M8 from the back - the thread is steel, not printed plastic, so it survives being done up hard. The bolt runs right through, so its length does not matter. M8 is the machine-table size: clamps, stops, anything that must not shift under a cut. ## Sizes in the download All 4 diameters, same shaft fitting: | Di…

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