MNS / MNS_DB DRILLS

OPERATIONAL GUIDANCE FOR THE MNS...LB DRILL

Drill Holding	Drill Length	Drill Installation	Installation Tolerance
Through Coolant Type	Coolant Handling	Thin Workpiece	Interrupted Cutting
Stepped Holes	Burring and Workpiece Chipping

OPERATIONAL GUIDANCE FOR THE MNS...DB DRILL

FLAT FACE DRILLING

Drilling a blind hole

1. Drilling a pilot hole

3. Drill the deep hole

2. Initial cutting with the long type drill

4. Drill retraction

INTERRUPED DRILLING

Drilling and breaking through on irregular faces or angles

1. Spot facing

3. Initial cutting with the long type drill

5. Breaking through

2. Drilling a pilot hole

4. Drill the deep hole

6. Drill retraction