DRILLING & MILLING REAMING TAPPING DRILLING Stub (2D – 3D) Jobber (4D – 7D) Taper (8D – 30D) Others NC spotting drills TAPPING Spiral Flute Spiral Point Straight Flute Forming Round Dies MILLING Square Roughing Ball Nose Corner Radius Tapered REAMING Reamers PCD Reaming With Inserts