0
votes
2answers
69 views

How is a Phillips screwdriver size determined?

I have two different sized Phillips screwdrivers that both say they are 00 sized (click here for full-sized image): The green screwdriver came from an iPhone 3/4 disassembly kit, and on the package ...
-3
votes
1answer
162 views

Do electric push activated screwdrivers exist? [closed]

I am looking for a screwdriver. I want it to be powered (electric, cordless). I want it to not be based on a trigger mechanism (in order to reduce repetitive motion strain). I want it to screw (or ...
3
votes
4answers
3k views

How do I choose more durable screwdriver bits?

I recently bought a $35 cordless screwdriver that came in a suitcase with screwdriver bits. I was in shock when the Pozidriv bit splintered after screwing only 3 1-inch screws in the leg of an ...
4
votes
2answers
4k views

Why use a screwdriver when we have drill/drivers now?

I'm wondering when should we choose a screwdriver. Can it be used to put screws in wood, concrete or metal without drilling a hole? If we need to drill a pilot hole anyway, why don't we just use ...