Knurled knob for D-shaft 8.0 mm - 4 sizes 20/25/30/36 mm, no supports

Fine longitudinal knurling and a slightly domed top. The everyday knob: enough grip for a fingertip, quiet enough for a front panel. For 8 mm shafts with a flat, as used on appliance and valve spindles. ## Sizes in the download All 4 diameters, same shaft fitting: | Diameter | Height | Volume | Weight in PETG | |---|---|---|---| | 20 mm | 19.6 mm | 3.5 cm³ | 4.4 g | | 25 mm | 19.6 mm | 5.7 cm³ | 7.3 g | | 30 mm | 19.6 mm | 7.2 cm³ | 9.1 g | | 36 mm | 21.6 mm | 9.2 cm³ | 11.7 g | Bore measured o…

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