#18,468 in Tools & Home Improvement
Reddit mentions of Greenlee 60178 Knockout Punch
Sentiment score: 1
Reddit mentions: 1
We found 1 Reddit mentions of Greenlee 60178 Knockout Punch. Here are the top ones.
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Replacement punch only, Die and draw stud required for operationReplacement for punch unit Model number 60177For use with hydraulic or battery powered driversPunch up to 10 gauge mild steelAlign accurately and produce burr-free holes
Specs:
| Height | 12 Inches |
| Length | 10 Inches |
| Number of items | 1 |
| Size | 4-1/8 In |
| Width | 10 Inches |
You could use a square punch, but it's a bit spendy.
You could also cut the hole with a jigsaw.
A nibbler will do a nice job if you get one that can handle the thickness of your metal.