Two-wing knob with heat-set insert M5 - clamping knob, 4 sizes 30/36/44/54 mm, no supports

Two opposed wings, the wing-nut shape. Thumb and forefinger and nothing else - the most torque per gram of plastic in this library. Bored 6.4 mm for a standard brass heat-set insert M5. Melt it in with a soldering iron at about 220 C and let it cool under light pressure. M5 with an insert carries more than a printed M5 ever will, and it can be undone and done up again without thinking about it. ## Sizes in the download All 4 diameters, same shaft fitting: | Diameter | Height | Volume | Weight i…

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