● Material: Worm Gear-Brass; Worm Rod - 45# Steel/Stainless Steel. ● Number of Teeth: 20/25/30/35/40/50/60 Teeth. Constant Speed Ratio, Efficient Operation, High Load Capacity, Transmission Without Delay, Not Easy to Jump Gears, Not Easy to Slip Gears, Can Be High Load, High Torque Transmission.
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