Don’t know how to loosen a hex head screw of strange dimensions? None of your hex keys can be used, is it too small or too big? Probably have something to do with the imperial-inch screw.
But you don’t have to buy a whole set of inch-allen keys – but just the one you need. The table below can help you choose the right one.
APPROXIMATE DIMENSIONS IN MILLIMETERS
DIMENSIONS IN INCHES
1,6
1/16
2,0
5/64
2,4
3/32
3,2
1/8
4,0
5/32
4,8
3/16
