Lifewater Drilling Technology 3675 Sequoia Drive , San Luis Obispo , California 93401 USA About Solutions products services Publications videos Downloads Companies Lifewater Drilling Technology Videos How to Change a Drill Bit Video How to Change a Drill Bit Video 0 Share In this tutorial we will see how to use J wrenches and a chain tightener to change a cable tool drill bit on a LDT 360 cable tool drill rig. Most popular related searches drilling bit drill bit drill rig drilling rig Customer comments No comments were found for How to Change a Drill Bit Video. Be the first to comment! Add your comment Publish your comment Great! comment successfully added!