MagicDrill DRX Applicable inserts Suitable chipbreaker (ZXMT) How to select ZXMT03 Insert type ZXMT ZXMT03 (Drill dia.: ø12~ø13.) Workpiece material Chipbreaker GM GH SM 1. For outer edge, please select "-E" insert from three different chipbreakers for each application. Drilling depth 2D 3D 4D 5D 2D 3D 4D 5D 2D 3D 4D 5D 2. For inner edge, please select “-I” insert (GM chipbreaker only). Low carbon steel ·Outer edge ·Inner edge Carbon steel Alloy steel Mold steel Stainless steel ZXMT030203 -E ZXMT030203GM-I Cast iron Aluminum alloys Brass GM-E GH-E SM-E GM-I Titanium alloys : 1st choice : 2nd choice Features of the chipbreaker Chipbreaker GM (General purpose) GH (Tough edge) SM (Low cutting force / For deeper drilling) K Insert 1st. recommendation for carbon steel and 1st. recommendation for interrupted drilling Suitable for sticky materials such as alloy steel, and hard materials. Drilling stainless steel and low carbon steel. Features 1st. recommendation for cast iron. Cutting edge strength oriented design. Good balance of sharp cutting and cutting Middle to high feed rates of steel drilling, Low cutting force, prevents chattering. edge strength GM chipbreaker alternative. For low to medium feed rates of steel. Chipbreaker cross-section Outer edge side Chips from outer edge Wide chipbreaker Chipbreaker cross-section Inner edge side Chips from inner edge Flat chipbreaker Workpiece material S50C S50C SUS304 K82