Product features: round, square, octagon screw cover a, also known as leadscrew cover, it can effectively protect the lead screw, light bars, shaft, pillar and other components are not affected by the dust thereof, pollution and destruction, can do open or compression movement, along with the parts use can be vertical or horizontal. Level recommended when using plastic or aluminium support ring, keep cover lumen with a uniform distance between screw, prolong service life. Large tensile length can add metal ring at each compromise, to improve the stability of the shield. Usually use metal flange connection or fixed end, also can choose ferrule type.

Round, square, octagon screw cover details: