Combined Functions for Drilling and Milling In One Single Cutter for Maximum Machining Efficiency Cutter Dia.: 16mm, 20mm & 25mm. YOU Milling Intelligently? QUICK-D-MILL Insert with 4 Cutting Edges. Two Outer Cutting Edges for Milling, 2 Center Cutting Edges for Drilling Applications. Incorporates Dovetail Clamping and Assures High Process Reliability. SCAN ME 2