More information about the video, more episodes to watch and to donate visit https://www.timhunkin.com_a241_component-videos.htm Chapter List: 00:00 - Start 02:17 - History 05:47 - Drilling wood 09:35 - Drilling metal 13:21 - Battery drills 16:23 - Drill presses 20:57 - Hole centering 23:20 - Sharpening drill bits 26:39 - Difficult metals 32:03 - Drilling thin materials 34:39 - Cutting large holes 37:27 - Tiny holes 40:57 - Cutting holes with a lathe 44:37 - Cutting holes with a milling machine 50:18 - Moving a hole 54:34 - Drilling concrete 56:18 - Pile driving