The welding shop had a large stack of 3x3 angle iron that needed 5/16" holes machined in every piece. We set up the https://www.youtube.com/channel/UCqhaZHPaREI5rVeNgtTESZg G20-04 cnc mill to tackle this job and knocked it out in a day. The Flex performed great for this job! #abom79 #cncmachining #flexcnc #gantrymill Paypal Channel Donation: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=T325L5JZMY9LY&source=url Support though Patreon: https://www.patreon.com/abom79 My Amazon store where I'm adding many of the tools and products I use in my own shop. Amazon.com/shop/abom79 Visit my second Youtube channel where you can follow our travels, camping, RVing, cooking, and bbq! https://www.youtube.com/channel/UCS9dTkpL6pPj2nrYjsjnb3A