Solutions

Overview Deep hole drilling brings its own set of challenges that standard drilling does not. The high length-to-diameter ratio (typically above 5:1), the reliance on high-pressure coolant for chip evacuation, and the single-lip cutting action of gun drills all create failure modes that are unique to this process. This guide covers the most common problems I encounter and their solutions. I use this page as my starting point when something goes wrong. Most problems have simple causes that can be checked in minutes: coolant pressure, guide bushing condition, and tool condition. I always check these three things before changing process parameters. ...