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uxcell Square Hole Drill Bit, 1/2" High-Carbon Steel Hollow Chisel Mortise Power Tool for Woodworking 2 Pcs (Silver & Black) - Amazon.com
![How To Drill A Square Hole [VIDEO]](https://townsquare.media/site/114/files/2011/10/Square-Drill-Bit-1.jpg?w=1200&h=0&zc=1&s=0&a=t&q=89 "How To Drill A Square Hole [VIDEO]")
How To Drill A Square Hole [VIDEO]
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How To Drill a Square Hole! / Super Easy Tip - YouTube
