Apart from its use in automobile industry gears and shafts has many uses in the defense industry. There are lots of technical advancement in this field hence the advance development are more or less related to the types of gears and shafts used in different ways. Gears are indeed required and are the center of all the advancement and form an integral part of the defense industry. Gears are used to ensure the proper usage of various kinds of weapons and equipment.
In defense, it is also useful in marine and navy field for the manufacturing of different hatches and boat that works in water. Not only this but also used on a large basis in the construction and operation of the submarines and the ships. The best use of gears and shafts is for the better operations and fast speed of the unit. AVTEC http://www.avtec.in/ are the largest manufactures of these shafts and ears with Indian roots and global presence.