"grub screw" in German grub screw Gewindestift Madenschraube Wurmschraube Detailed translations for "grub screw" grub screw grub screw(also: set screw, headless pin, threaded pin, headless screw) der Gewindestift{masculine} grub screw(also: set screw, headless pin, threaded pin, headless screw) die Madenschraube{feminine} grub screw(also: set screw, headless pin, threaded pin, headless screw) die Wurmschraube{feminine}