content="14/09/2022″/> Industrial marking
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Punches Ministress

Pryor Ministress Punches or Aerform are manufactured with special rounded characters. The diagram shows the effect on the crystalline structure of material being marked with a low stress character.A lowstress impression helps avoid premature cracking, by eliminating the stress concentration at the bottom of the indentation.
- Pryor Punches are manufactured from quality controlled Chromium Tool Steel allied to precise heat treatment.
- suitable for marking material up to 40 Rockwell 'C'
- produce a readable impression
- manufactured with a rounded character
- nickel plated for rust protection
- hardness is reduced at the striking end to reduce brittleness when being hit
- punch set packed in strong plastic boxes with separate compartments for each stamp, to allow rapid selection
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