Thumb screw knob for M5 socket head cap screw - octagon knob, 4 sizes 20/25/30/36 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 the head of an ISO 4762 (DIN 912) socket head cap screw M5 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. M5 is the screw that goes into T-nuts on 2020 and 3030 extrusion. ## Sizes in…

♥ 0