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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Roper Whitney No 20 versus No 20-1
Hi Punchers,
I am faced with a choice between a used Roper Whitney "No. 20" and a "No. 20-1" punch, but I am not aware of the difference between the two, and I am not in a position to physically compare them. Can anybody help? From Roper's current catalog I see they have a No 20 and a No 20 CTL, but no mention of this other variant called 20-1. Any advice? Many thanks! -Ram |
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