Applications and Advantages of Trepanning tools

1]Trepanning tools are used in manufacture of Gun Barrels, Pipes for oil well drilling, Large Motor and Alternator shafts and such parts.

2] They save time,electric power/energy and material as compared with solid drilling/ boring.

3] They leave a core which can be used for analysing and making other parts while drilling expensive materials.

4] Trepanning is the only process available to manufacturers where in large and long holes have to be drilled.

5] They can be used for drilling large holes in small length parts too.