... 2.Supply spur gears,bevel gears, helical gears,worm gears. Mini worm gear and Worm gear set 1.Standard and nonstandard(meet customers ... ’ requirments)2.Supply spur gears,bevel gears, helical gears,worm gears.3.Material: carton steel,stainless stell , brass or aluminium ... ,shaft worms,small&large module gear,transmission parts,etc. C45 Worm gear wheel