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33:04
YouTube
NYC CNC
Drilling Large Holes in Cast Iron with a Trepan Tool!
Trepan drilling with Paul Debolt. Boring large holes to diameter "takes too long and wastes material." Trepanning saves time and money! Not only does it require less horsepower than typical drills, a pristine slug is left behind, which can be sold or used to make other parts. Paul walks us through how he uses his trepan tool, which is made of a ...
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May 13, 2020
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