Okay I take it you are either going to bolt these on or tap the holes so that you can screw them on. Well usually the method to drill in metal is to take a punch and make dimple so that the bit ...

Drilling holes in rotating shafts is customized via machine loading and unloading, with workpiece lengths and load-bearing capacity adjustable as required. Deep-hole drilling is an important ...

Many types and sizes of drilling machines are used in manufacturing. They range in size from a simple bench mounted sensitive drill press to the large multiple-spindle machines able to drive many ...