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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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Greenlee hole punches
Greetings all: I'd like to generate a bunch of 3 to 4" disks of sheet
metal (pretty thin, 20-ish and thinner gauge), and am looking at punches to do the job. Would a Greenlee-type punch preserve the structure of the punch-out (I realize its main purpose is to make the hole, but I'm actually interested in what will be punched out)? Is there some other method that I'm not thinking of (I figure a hole saw is too aggressive and will leave a pretty rough product on both the hole edge and what falls out). Any advice would be appreciated. |
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