This is how I "drilled" a 1/4" square hole in round stock.
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ROSE INDEX LINKS
The ROSENTHAL PRODUCTS WEBSITE
https://rosenthalproducts.com
The ROSE INDEX is protected by an approved U.S. Patent.
The ROSE INDEX is made in the USA.
"Official RoseIndex YouTube Channel"
   / @rosenthalproducts  
Link to LakeShore Carbide for purchase: https://www.lakeshorecarbide.com/
Link to 3 minute video if about the index:    • ROSEINDEX model RI2A  
I am NOT paid to show these links!

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