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1 5
1 5.1
GRINDING OF LEFT HAND DRILLS
Grinding wheel: depending on sort of drill: use corundum and diamon wheel.
Adjustment on the machine.
Tip angle: 11 8°
For grinding of left hand drills, the prism rest an clearance angle adjustment hast to be
changed (Picture A).
Remove the prism support from the clearance angle adjustment and screw together on
the provided fixation threat (L) for left hand drills (Picture B).
Clamping screw
A
B
L
R