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Drilling and taping Small screw holes can be done in such a way as
to reduce the amount that the screw hole's threads are being cut .
This is done by using a slightly larger drill bit and the same sized
machine tap. The threads are not as deep and are easier to cut.
The screw can be made of drawn wire with a fused rounded head. the
head can be turned flat and a screw slot made with a fine saw blade.
But first I would cut the threads in a long piece of wire . Then
make the screw head with slot.
Machineist dies are sometimes split and are adjustable to cut deeper
or more shallow threads . Machine screws are normally cut to a 75 %
There is a type of anerobic locktite made by - are you ready -
Locktite Corp. It can be used to mold a very satisfactory screw
thread in metal.
Figure out how big the screws are needed. Put the diameter in 1 /
1000 in. or in 1/100 mm. on the Orchid Digest. Then I can offer more