Gear 14*3mm*Z18 of the screwdriver gearbox Ritm DE-620R, Electromash DE-900

Planetary gear of the mains drill-screwdriver VITYAZ DE-500, Elektromash DE-900, Ritm DE-620R, size 14*3 mm, gear height 6 mm, 18 teeth. If the design allows for a higher gear, use 7 mm!