of the professional engineer, hardened and tempered to precise
limits to give long life and maximum safety. Designed for use
where greater strength or particular heavy use is required.
Pryor Heavy Duty 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
Pryor Heavy Duty Punches appear as
To produce a readable impression
Heavy Duty Punches are manufactured with a Sharp Faced Character
The diagram shows the effect
on the crystalline structure of
material being marked with a sharp faced character
Safety Grip firmly holds all sizes of Pryor Punch and allows
a hard blow to be struck without the risk of jarring or damaging
the fingers of the user.