Hougen Manufacturing, The World Leader in Mag Drills, Rotabroach Annular Cutters, and Accessories
Hougen 6-18256 1-3/4" X 6" Copperhead Annular Cutter-6-18256
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Amazon.com: Hougen 12132 1 Inch Diameter x 1 Inch Depth of Cut 12,000 Series High Speed Steel Annular Cutter 3/4 Inch Weldon Shank for Magnetic Drills : Industrial & Scientific