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Thumb screw knob for M3 socket head cap screw - star knob, 4 sizes 25/30/36/44 mm, no supports

Thumb screw knob for M3 socket head cap screw - star knob, 4 sizes 25/30/36/44 mm, no supports

AMPERELAB3D · Cults3D

$1,11CULTS PU - Private Use

Five soft lobes. The shape you reach for when a knob has to be turned hard but must not cut into the hand. Takes the head of an ISO 4762 (DIN 912) socket head cap screw M3 from the back. A hex boss in the pocket floor engages the screw's socket, so the knob turns the screw instead of slipping round it. The shank points out of the back, the front stays closed. M3 is the printer-bed levelling screw - the most common reason anyone prints a thumb screw. ## Sizes in the download All 4 diameters, sam…

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