Features： 1、 Material: The shell adopts alloy material makes it more wear‑resistant, non‑rusting, non‑corrosive, better thermal conductivity. 2、Long Service Life: After the gear is ground, the gear is heat treated, which has good wear resistance, long service life and higher performance. 3、Silent Operation: Adopting lubricating oil to make sure the silent operation of motor shaft, and effectively reduces the vibration of the bearing. 4、Carbon Brush: The carbon brush structure take place of copper brush, which ensures long service life, low friction and low power consumption. 5、Stable Performance: 8mm shaft ensures long time operation without going hot, suitable for mini motor making, DIY model. Specification： Item Type: Worm Gear Motor Material: Zinc Alloy, Red Copper, Carbon, Stainless Steel Purpose: Industrial Drive Device Operating Voltage: DC 6V/DC 12V Output Shaft Size (Diameter x Length): Approx. 8 x 33mm / 0.31 x 1.29in Shaft Type: M8 Threaded Shaft Whether to Adjust the Speed: Adjustable Speed Whether Forward and Reverse: Can Be Forward and Reverse DC 6V Specifications: Reduction ratio 40 65 90 150 200 260 340 600 1000 No-load Current MA ≤100 ≤100 ≤100 ≤100 ≤100 ≤100 ≤100 ≤100 ≤100 No-load Speed rpm 150 90 66 40 30 23 18 10 6 Rated Torsion kg.cm 0.2 0.5 0.7 2 5.3 6.7 9 15.9 26.5 Rated Speed rpm 120 70 51 30 22 18 15 7.5 4 Rated Current A ≤0.6 ≤0.6 ≤0.6 ≤0.6 ≤0.6 ≤0.6 ≤0.6 ≤0.6 ≤0.6 Maximum Torsion Kg.cm 0.9 1.6 2 7.5 10 13 18 30 45 Stalled Current A 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 3.3 DC 12V Specification: Reduction ratio 40 65 90 150 200 260 340 600 1000 No-load Current MA ≤60 ≤60 ≤60 ≤60 ≤60 ≤60 ≤60 ≤60 ≤60 No-load Speed rpm 150 90 66 40 30 23 18 10 6 Rated Torsion kg.cm 0.2 0.5 0.7 2 5.3 6.7 9 15.9 26.5 Rated Speed rpm 120 70 51 30 22 18 15 7.5 4 Rated Current A ≤0.6 ≤0.6 ≤0.6 ≤0.6 ≤0.6 ≤0.6 ≤0.6 ≤0.6 ≤0.6 Maximum Torsion Kg.cm 0.9 1.6 2 7.5 10 13 18 30 45 Stalled Current A 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1.7 1.7 Package List： 1 x Worm Gear Motor