Need Help with Double D Knock Out Punch

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2,026
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CA
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OK - that got your attention, but it's not that. Need a Greenlee double "D" knockout punch. Or equivalent. 3/4" x 2/3" - .75 x .67 It used to be a common size for electronics chassis - used to be............... that is 40+ years ago. Some upward tolerance is OK. Doesn't seem to be made now. Ideas? Thanks guys.
 
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2,026
Location
CA
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Originally Posted by kschachn
Aren't there a bunch of them for sale on eBay?
Not that size.
 
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2,099
Location
Ottumwa, Iowa
Unless you can find a Chinese knockoff or a used one on eBay you don't have much options other than greenlee. There are a few meant for locks out there. Is it a lock application or electrical? If it is electrical you can find a good selection of 22mm or 30mm round devices.
 
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2,177
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NY, NY
In the past, I needed to make some D shaped holes for bulkhead connectors and I didn't have a D punch so I used a punch that was close and small and then filed one side flat and went at the rest with a round file to make up the diameter. Worked great but took some time. No where near as fast as a punch.
 
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