A nut-free bolt consists of a body with an axis, which can be inserted into a hole and the top of a fixed body to prevent the body from falling. The axis is provided by a perforation, which extends to the shaft, including a blocking device and a device. Starter mounted on axle

摘要

Without Nut Bolt which comprises a body which has a Shaft that is capable of being inserted in a hole and a Cap coupled to the body, the CAP is configured to prevent the body from falling into or through the hole, The Shaft is provided with a hole that extends axially, understands. S a locking mechanism mounted on the Shaft.And a triggering mechanism mounted on the Shaft and which is Movable axially in the direction of drilling a Hole Down.