Drill chuck for small hole EDM drilling
There are two types of drill chuck for edm drill machine: key type and keyless
Drill chuck with key : 0.1mm - 3.0mm
Drill chuck keyless :0mm - 3.0mm
A keyless drill chuck is more comfortable than a normal drill chuck with key. It can be used on all machines, which work with drill chucks and not with collets. Electrodes from diameter 0.10 to 3.00mm can be clamped with this chuck
Also some people is used to use the key type as it's much cheaper
If you care more on precision, you can choose keyless type cause the hold range 0-3.0mm
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