General purpose punches for marking that does not require the durability and precision of Pryor Punches |
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Impression Punches are manufactured from quality controlled Chromium Tool Steel allied to precise heat treatment, giving a hardness of 58-62 Rockwell 'C' at the character and 32-40 Rockwell 'C' at the striking end. |
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Suitable for marking material up to 38 Rockwell 'C' |
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For guidance on hardness of material to be marked click here |
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Blue heat treated finish |
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Pryor Punches appear as shown |
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To produce a readable impression |
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Pryor Punches are manufactured with a sharp faced characters
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The diagram shows the effect on the crystalline structure of material being marked with a sharp faced character
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