Grinding Machine Parts And Functions

The drilling machine is defined as a machine which is used to make a circular hole, a tool used to drill the holes of different size and other related operations using a drill bit.The drilling machine is one of the most important machines in a workshop.As regards its importance it is second only to the lathe machines.Holes were drilled by the egyptians in 1200 b.C.About 3000 years ago by.

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