Convert sleeve chuck chuck for engraving machine and all kinds of changes in the diameter of the quick change shank jig for: knife diameter conversion (for example: the jig aperture with 6MM; knife handle to be installed four; can conversion with 6 to 4 sets) My company specializes in manufacturing conversion sets using collets 65Mn steel, hardened and precision grinding together, hardness HRC62, higher precision, durable, high quality, easy to use.
Conversion sets of common specifications 6 revolutions 3.175,6 turn four two specifications.
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