10Drilling in woodWhen drilling in wood, the best results are obtained withwood drills equipped with a guide screw. The guide screwmakes drilling easier by pulling the bit into the workpiece.Drilling in metalTo prevent the bit from slipping when starting a hole, makean indentation with a center-punch and hammer at the pointto be drilled. Place the point of the bit in the indentation andstart drilling.Use a cutting lubricant when drilling metals. The exceptionsare iron and brass which should be drilled dry.MAINTENANCE CAUTION:• Always be sure that the tool is switched off andunplugged before attempting to perform inspection ormaintenance.To maintain product SAFETY and RELIABILITY, repairs, car-bon brush inspection and replacement, any other mainte-nance or adjustment should be performed by MakitaAuthorized or Factory Service Centers, always using Makitareplacement parts.ACCESSORIES CAUTION:• These accessories or attachments are recommended foruse with your Makita tool specified in this manual. Theuse of any other accessories or attachments mightpresent a risk of injury to persons. Only use accessoryor attachment for its stated purpose.If you need any assistance for more details regarding theseaccessories, ask your local Makita service center.• Drill bits• Hammer drill bits• Blow-out bulb• Safety goggles• Chuck key• Grip 36• Depth gauge• Plastic carrying case