M5 knob

Knob for M5 bolt, to ensure a strong grip during the screwing.Designed for hexagon socket cylindrical head screw (such as 483-8269, 483-9981 or 483-8275 in rs-online.com).How to assemble:After printing knob and cap, take superglue on the knob hexagonal socket.Push the bolt until the glue is solid.Apply superglue on the cylindrical head of the screw and a bit in the cylindrical base under the bolt.Insert the cap in the bolt, down to the knob surface.Push until the glue is dry.