The drill bits are internally cooled. The diameter of each drill is color-coded as well as laser-etched on the upper portion of the drill. The depth markings are both milled and laser-etched. TDØ1.9 Mark drill TDØ2.0 Pilot drill (white) TDØ2.5 Drill (yellow) TDØ2.8 Drill (red) TDØ3.2 Drill (blue) TDØ3.65 Drill (green) TDØ4.2 Drill (black) TDØ5.2 Drill (brown) TDCØ2.4 Drill (yellow+white) TDCØ3.2 Drill (yellow+blue) TDCØ3.65 Drill (yellow+green) TDCØ4.0 Drill (yellow+brown) TDCØ5.2 Drill (yellow+brown) TD-E Drilling Extension Bit (adds 14 mm) TD-S Short Drill Bits
TDØ1.9
Mark drill
TDØ2.0
Pilot drill (white)
TDØ2.5
Drill (yellow)
TDØ2.8
Drill (red)
TDØ3.2
Drill (blue)
TDØ3.65
Drill (green)
TDØ4.2
Drill (black)
TDØ5.2
Drill (brown)
TDCØ2.4
Drill (yellow+white)
TDCØ3.2
Drill (yellow+blue)
TDCØ3.65
Drill (yellow+green)
TDCØ4.0
Drill (yellow+brown)
TDCØ5.2
TD-E
Drilling Extension Bit (adds 14 mm)
TD-S
Short Drill Bits