How to determine size of mini screwdrivers?

Sep 07, 2013 3 Replies

I have various mini screwdrivers that became separated from their cases. Some were labeled by a number system, some by fractional inch measurements. Is there a way to measure them to put them back in the right slots?



Thanks.


In regular size screwdrivers, both Robertson and Phillips screw drivers go from number "0" to #3 with 0 being the smallest and 3 the largest. Why not arrange them from smallest to largest that way?

So far as I know, it's only slot screwdrivers that go by their actual dimensions, like 3/16 X 4 where 3/16 is the blade width and 4 inches is the blade length.

There are also "00" and "000" Phillips screwdrivers.

Agreed. Arrange them from the smallest to the largest.

I have a set of small screwdrivers. It is from Germany. The measurements for the slot screwdrivers are in mm. They are: 0.8, 1, 1.2, 1.5, 1.8, 2,

2.5, 3, 3.5, and 4.

The second dimension, for the blade length, is also in mm and ranges from

40 to 60.

What I find most useful in this set are the Phillips. They are: 000, 00, 0, and 1.

Don.

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