Lecture: Techniques for Removing Damaged Screws

Introduction

• Focus on removing damaged screws
• Example scenario: eight screws in a metal plate, rounded off using the incorrect driver
  • Used a PZ2 bit instead of a PH2 for Phillips screws
  • Screws are too tight and heads are damaged

Common Problems with Damaged Screws

• Often occur when removing a Euro cylinder from a uPVC door
• Screws can become "chewed up" making removal difficult
• Various techniques can be attempted depending on the situation

Techniques for Removing Damaged Screws

1. Elastic Band Technique

• Place an elastic band over the screw head
• Using a drill in reverse, apply pressure and squeeze the trigger
• Elastic band helps grip the screw and possibly remove it
• Works best with a wider elastic band
• Simple and quick method, though not always effective

2. Impact Driver

• Use with a good quality bit
• Ensure correct direction (reverse)
• Place the driver in the damaged screw and hit with a hammer
• Shock can loosen the screw, allowing removal with a drill

3. Damaged Screw Remover

• Commercially available and often effective
• Fix in the drill, ensure drill in reverse
• Press down hard; it bites and removes the screw
• Affordable and worth trying

4. Grab It by Trend

• High-quality screw remover
• Works on wood screws too
• Use in two steps:
  1. Use one end to remove material in reverse
  2. Flip and use the other end to bite and remove the screw

5. Center Punch

• Use a standard or spring-loaded center punch
• Position on screw edge and apply force to loosen
• Allows grabbing with fingers or grips

6. Left-Handed Drill Bits

• Used in reverse
• Choose a bit slightly smaller than screw head
• Drill will bite and may remove the screw

7. Cutting a Slot

• Use an angle grinder or dremel
• Risk of damaging surrounding material

8. Cold Chisel and Hammer

• Knock screw around to loosen it
• Once loosened, remove with fingers

Conclusion

• Many techniques available for removing damaged screws
• Success depends on various factors, including screw type and material
• Caution advised with certain methods to prevent damage
• Video encourages trying these methods and subscribing to the channel