Basic Drilling


Methods and usage

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Today coolant is widely used when machining especially for CNC lathes and machining centres. The use of coolant prevents a decrease in the tool life of the cutting edge due to the build up of heat generated while machining and the accumulation of chips.


Methods of coolant supply to the cutting edge are divided into external and internal coolant.

Internal coolant:







External coolant:

Machine spindle head


Locating pin

Locating block

Pump on machine side

Holder for oil supply