Video Description

▶️ Learn Welding and Fabrication in my $39 Online Courses https:// courses.timwelds.com Notes and Links: ✅ Use 135 degree split point drills in high speed steel for most materials My favorite ones: https://amzn.to/4b1Y2GT Budget friendly alternative (used in this video): https://amzn.to/3XjOJPq ✅ Mark precisely My favorite little squares: https://amzn.to/4epdXlC Scribe: https://amzn.to/3xpAvlm Layout fluid: https://amzn.to/4clTcW1 ✅ Center punch My center punch set: https://amzn.to/3z2ZQCc ✅ Set spindle RPM 1) Start with 700 rpm for 1/2" hole in mild steel 2) Adjust for diameter, increasing rpm for smaller diameters (i.e. double for 1/4" hole, 4x for 1/8" hole, etc.) 3) Adjust for material (double for aluminum and other soft metals, half for stainless steel and harder metals) ✅ Use cutting lube Anchorlube: https://amzn.to/4eoWDwX ✅ Debar your holes Countersink: https://amzn.to/4bjL3kd Deburring tool set: https://amzn.to/4ckVrsD 📚 Chapters 0:00 Welcome 0:14 Drill Bits 101 3:46 Marking 6:16 Center Punch 7:13 Work Holding 8:48 Setting Speed 9:44 Cutting Lubricant 9:56 Drilling Examples 12:37 Deburring 13:42 Thanks for Watching! **This description contains affiliate links that provide a small commission to support the channel at no additional cost to you.