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2. Start drilling with slow speed and gradually increase speed as drill cuts.
The harder the material, the slower the speed required. The softer the
material, the faster the speed.
3. When drilling a large hole, it is easier to first drill a smaller hole and then
enlarge it to the required size.
4. The use of a lubricant, such as oil, on the drill point helps keep the bit
cool, increases drilling action and prolongs drill bit life.
TROUBLESHOOTING GUIDE
For assistance with your tool, visit our website at www.porter-cable.com for a
list of service centers or call the Porter-Cable help line at 1-800-487-8665.