How to Use a Drill

 

Tips for Using a Drill

The following steps will show you how to use a drill:

Use the correct size drill bit required for the screw/bolt being inserted.

TIP:  Drill a pilot hole first with a small bit.   This prevents a larger bit from moving when you start drilling.

Inserting a screw

  • Choose a drill bit slightly smaller in circumference than the screw being inserted.
  • The reason for this is so the screw has material to grab as it is inserted.

Inserting a bolt

  • Use a drill bit the same size as the bolt.

Inserting a bit into the drill

  • Hold the drill in your right hand if right-handed (left hand if left-handed)
  • With the left hand, open the Chuck enough so you can insert smooth end of the drill bit 1 inch (25mm) in between the chuck clamps.
  • Check the bit sits evenly between the clamps, otherwise the bit will wobble when the drill is turned on.

NOTE:    Use the drill’s forward switch to tighten the drill bit into the chuck opening

Move switch to reverse to loosen the drill bit in the chuck opening

  • Tighten the chuck by hand as far as you can so the drill bit sits inside the chuck without moving.
  • Continue to hold the chuck while at the same time pressing the start switch until you feel the chuck go tight.
  • If the drill bit is not tight enough inside the chuck it will slip while drilling is in progress.
  • Repeat this step until it is tight.

You are now ready to start drilling to your heart’s content.

Drill fitted with a Chuck Key

  • Hold the drill in your right hand if right-handed (left hand if left-handed)
  • With the left hand, open the Chuck enough so you can insert smooth end of the drill bit 1 inch (25mm) in between the chuck clamps.
  • Check the bit sits evenly between the clamps, otherwise the bit will wobble when the drill is turned on.
  • Tighten the chuck as far you can by hand.
  • Take the chuck key insert it into the teeth at the side of the chuck
  • Turn the chuck key clockwise until you cannot turn it any further.
  • The bit should now be held tight inside the drill.

How to Use a Drill

Once the drill bit is in place it is time to start drilling.

  • Check the variable speed is turned up (higher number) for general drilling.
  • Use a slow speed if insert screws.
  • Use clamps to fix your work material to a work bench or other surface to stop the material moving.
  • Work at waist leve.  This will give you better control over the tool being used.
  • Use a small drill bit to provide a pilot hole, then move up in drill size to the desired finished size.

TIP: If a very fine edge is required on the drilled surface, use masking tape over the area being drilled.

This helps protect the edges of the finished hole size.

  • Hold the drill in a straight vertical line over the drill hole.
  • This is necessary to avoid the hole being drilled off-centre, or at an angle.
  • Once the pilot hole is drilled, change your drill bit until the correct size bit is selected for the task at end.

 

Using a Drill to Insert a Screw

  • If using your drill to insert a screw adjust the variable speed control of the drill to a LOW SPEED.
  • The reason for this is to prevent the head of the screw or bolt from being stripped.
  • If stripped, you will have difficulty getting the screw in or out!

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