Automatic Bolt Head Trimming Machine

A hard-shelled dry fruit or seed with a separable rind or shell and interior kernel. (2) : the kernel of a nut. : a dry indehiscent one-seeded fruit with a woody pericarp. : a hard problem or undertaking.A nut is a mechanical fastener with a threaded hole. It is attached to a bolt, screw or stud to provide a clamping force and prevent axial movement. For example, a bolt is inserted through two parts, with aligned holes, and a nut is then screwed onto the bolt.