Speed Box NMRV040 Speed Reducer, 90 Degree Worm Gear Gearbox, Input Hole Diameter 9mm/11mm/14mm, Out Hole Diameter 18mm Reducer Gearhead (Size : Ratio 40 to 1, Color : Flange 56B5)

Material for worm reducer:housing: aluminum alloy die castWorm gear: Nodular cast iron and bronzeFeature of worm reducer gearbox:1) High quality aluminum alloy die cast gearbox2) High accuracy worm gear and worm shaft3) Less noise and lower temperature increase4) Easy mounting and connection, high efficiency

• Easy mounting anc connection, high efficiency.
• Less noise and lower temperature increase.
• High accuracy worm gear and worm shaft.
• Low friction motor, low operating noise , easy operation.
• High transmission efficiency, wide speed range, high precision.