Description:
The three drill system is a piece that is installed on the drill and all types of drills and series are closed on them to make holes. This part can be in two ways: wrench or wrench or automatic. Using the three automatic systems is easier and changing the drill in these three systems is much faster and easier than the three wrench systems. But the automatic drill usually has a higher price than the drill with three key systems.
Three systems are actually an interface between a drill and a drill.
Specifications:
Material: steel (full carbon)
Outer diameter: 21.5 mm
Type: 2 degrees, 49 minutes and 24.7 seconds
Ability to work with 4 ~ 0.3 mm drill
Maximum opening of three systems: 4.2 mm
Connection size: J1O (inner hole diameter is 6 mm)
The largest end diameter of the G10 model: 6.35 mm
The smallest end of the diameter of the G10 model: 5.8 mm
packing:
A number of three drill systems 4 ~ 0.3 mm
A three system wrench