They are usually pozi on bigger terminals like MCBs etc.
Higher mechanical advantage, so more clamping pressure for a given torque.
One of the reasons for using VDE insulated screwdrivers....
They are usually pozi on bigger terminals like MCBs etc.
Higher mechanical advantage, so more clamping pressure for a given torque.
One of the reasons for using VDE insulated screwdrivers....
My parrot chewed through that part.
Doesn't that damage the screw?
Not if its a Philips, they are designed to do exactly that.
Nope, the philips bits are designed to cam out without damage. Plus you are only doing it once, not repeatedly slipping in the head.
I was wrong; they still have the driver bits:
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