[Milsurplus] German fasteners, screwdriver slot

[Hubert Miller]

My brother was removing an incorrect voltmeter from a German 20W.S.c transmitter, but the
screws would not remove. As you may know, for some reason German fastener screw heads
often have a much thinner slot than U.S. - British standard. He marinated the screw back with
penetrating oil. Then he twisted out two jewelers screwdrivers trying to turn it. We really did
not want to ding or gore this machine ! Finally he went and bought a cheap screwdriver and
ground down the blade to fit the screws. Success!
But why did the Germans use such fasteners, such thin slots on the screw heads ? That means
you are just more likely to damage your screwdriver and the screw head, both.
-Hue Miller
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