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Author Question: Why are flat blade screwdrivers usually used manually to remove or install slotted head screws? ... (Read 70 times)

melly21297

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on: Jul 26, 2018
Why are flat blade screwdrivers usually used manually to remove or install slotted head screws?
 
  What will be an ideal response?

Question 2

What is the difference between the way a self-threading and a self-drilling sheet metal screw is used?
 
  What will be an ideal response?


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macybarnes

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Reply #1 on: Jul 26, 2018
Answer to Question 1

It is very difficult to keep the bit aligned in the slot if a drill of power screwdriver is being used.

Answer to Question 2

Self-threading sheet metal screws must have a pilot hole drilled into the metal before these screws are used and a self-drilling sheet metal screws pre-drill the hole as the screw goes in.


melly21297

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Reply #2 on: Jul 26, 2018
Thanks


macybarnes

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Reply #3 on: Jul 26, 2018
Welcome :)


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