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What is Stack Cut Geometry?

Stack Cut Annular Cutter Geometry
Most Annular cutters come with Standard Geometry. These cutters are designed to cut through one piece of steel. They offer the fastest, cleanest hole while producing a slug slug that looks like a 'Top Hat'.

When the job requires drilling two or more pieces of steel, cutters with Stack-Cut geometry must be used. The cutting teeth cut from the inside out, producing a round cylinder slug allowing you to drill trhough mulitple pieces of steel at once. Using a standard geometry cutter to drill multiple pieces, you will have to stop and remove the slug before continuing on or risk breaking your tool. RotaLoc Plus™ cutters come standard with stack-cut geometry. Most other styles of Hougen cutters are available with stack cut.



Multi-plate hole cutting with an annular cutter

Stndard Geometry Slug
Standard Geometry Slug

Stack Cut Geometry Slug
Stack-Cut Geometry Slug