Low Stress Punches

The choice of the professional engineer, hardened and tempered to precise limits to give long life and maximum safety. Especially for use in the Aircraft, Nuclear and Gas industries or where reduced stress marking is required.
Pryor Lowstress 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.
Suitable for marking material up to 38 Rockwell ‘C’ For guidance on hardness of material to be marked click here Nickel plated for rust protection Available in two character styles, continious line or dot formation Pryor Lowstress Punches appear as shown To produce a readable impression Pryor Lowstress Punches are manufactured with special rounded characters The diagram shows the effect on the crystalline structure of material being marked with a sharp faced character A lowstress impression helps avoid premature cracking, by eliminating the stress concentration at the bottom of the indentation.
Ministress Punches have special rounded, continious line characters for low stress marking.

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Low Stress Punches, Low Stress Punches Manufacturers, Low Stress Punches Suppliers, Pune, Mumbai, India