Hougen Manufacturing Inc

Doug established Hougen Manufacturing, Inc., on February 17, 1959, and began working on a new concept to further revolutionize the hole cutting business. He wanted to go after the steel erection and other industrial markets with his newest inventions. Doug's thinking process eventually resulted in the evolution of the first Rotabroach Annular Cutter, which he patented on July 22, 1969. He saw the Rotabroach as an entirely new hole cutting system, not just another tool like the hole saw. His original idea was to put a circumferential radial step on the cutting edge of the saw tooth, reasoning that, if the width of the chip was equal to the width of the cutting edge, half the width of the cutting edge would generate half as much width of chip.

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