▶️ 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: [ Ссылка ]
Budget friendly alternative (used in this video): [ Ссылка ]

✅ Mark precisely
My favorite little squares: [ Ссылка ]
Scribe: [ Ссылка ]
Layout fluid: [ Ссылка ]

✅ Center punch
My center punch set: [ Ссылка ]

✅ 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: [ Ссылка ]

✅ Debar your holes
Countersink: [ Ссылка ]
Deburring tool set: [ Ссылка ]

📚 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!

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