CNC Instructor Matt Schmelzer from Northeast Wisconsin Technical College talks about boring heads and how to use them correctly. 4:35 The procedure of boring a hole. 5:33 Tools used in this video to bore a hole. 8:35 Determining the style of your boring head, direct vs indirect readings. 10:39 Setting up the milling machine for a boring operation. 12:07 Establishing reference in the bore. 16:50 Taking the first cut! 17:47 Using a telescopic gauge to ensure repeatability. 18:49 Taking the finishi