5x Mano Serrare Pollice Zigrinata Dadi Chiusure 304 In Acciaio Inox M5
Descriptions: M5 304 stainless steel knurled nut, or thumb nut, is a nut with a knurled outside surface. This facilitates tightening by hand. The hand tightening leveling knurled thumb nuts thumbscrew for 3D printer heated bed.