Feed Through Punches
The punch has straight and thick pipes. They are suitable for hard and thick materials. The waste material iscollected inside the pipe, this makes it convenient. They are more expensive than the common drilled punches. The common drilled punches have better cutting lines. The diameter is from φ1 to φ40. (From φ13 or more, the spacing rule of standard dimensions is 1.0mm).
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Disadvantages |
-Benefits of use |
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