M4 Lock Nut Knob
thingiverse
Simple M4 Lock Nut Knobs are now available for both regular lock nuts and those with a flange. Two versions cater to different lock nut types: one is designed specifically for DIN985 lock nuts, while the other accommodates lock nuts with a flange according to DIN6926 specifications. The knobs are engineered so that lock nuts can be pressed firmly into place. Once secured in this manner, they should remain stable and won't slip out easily.
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