With oil lubricated systems to achieve this you would use filtration to get to this standard with on going maintenance schedule for element replacement to maintain a class zero (on-going cost)

EXTENSION ARM

They feature 3 edged cutters which balance the cutting effort for smoother boring

Pole Saw Attachment

Festool FastFix Right Angle Chuck Attachment DD-AS 490293 *Discontinued - Replaced by 205222* Thinners With oil lubricated systems toReplaced by 205222 Festool FastFix Right Angle Chuck Attachment DD AS 490293 delivers precision drilling in tight spaces where conventional drills cannot reach. This professional grade attachment features a robust gear mechanism that maintains torque transfer efficiency while providing a 90 degree angle solution. Compatible with Festool drill systems, the FastFix interface allows for quick, tool free changes between applications, maximizing workflow