DRILLING MASONRY
WHEN DRILLING MASONRY:
• Masonry can be brittle so be careful not to apply too much pressure and crack the material.
• Apply enough pressure to keep the bit cutting and not spinning in the hole as this will dull
the edges of the bit.
• Bricks and similar soft materials will require less pressure, concrete will require much more.
DRILLING WOOD
Use twist bits to drill holes in wood. Make sure the bits are sharp. Pull the bits
out of the hole frequently to clear chips from the flutes as an overburdened bit
may overheat.
HINTS FOR OPTIMUM USE
DRILLING:
• Keep the right amount of pressure in a straight line with the drill bit. Too little and the bit will
spin without cutting, too much and the motor may stall.
• Just before the drill tip breaks though the other side of the work piece drill more slowly and
decrease pressure on the tool. This will prevent stalling and leave a cleaner hole.
• Use a block of wood to back up work pieces that may splinter.
• Use spade bits when drilling large diameter holes in wood.
• Use HSS drill bits when drilling in metal.
• Use masonry bits when drilling in soft masonry.
• Use a lubricant when drilling metals other than cast iron, aluminum, copper, and brass.
• When drilling, start the hole slowly, allowing the bit to drill deep enough to prevent slipping
at higher speeds.
• Never try to start a stalled Drill by clicking the trigger switch
“ON”
and
“OFF”
. This may
damage your tool.
• To reduce jamming, always keep the Drill running when pulling the bit out of a finished hole.
SCREWDRIVING:
• Always use the correct type and size of screwdriver bit.
• If screws are difficult to tighten, try applying a small amount of washing liquid or soap as a
lubricant.
• Always hold the tool and screwdriver bit in a straight line with the screw.
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