Uploaded April 2018 | Updated September 2026, 2 weeks ago

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In this video I'll show you how I tap holes (cut threads) in my 3D printed parts.

===== NOTES =====
► The sizes of NPT fittings don't correspond to actual dimensions, so you'll note the 1/8 NPT doesn't have a diameter of 1/8". Keep that in mind when purchasing parts.
► The clamp I used can also be purchased at Harbor Freight for a couple bucks.
► As mentioned in the video, you can try printing the threads into your part, but I did it this way instead. The higher the threads-per-inch, the harder it will be to print the threads into your part.

===== RELEVANT VIDEOS =====
→ Monoprice MP Select Mini Intro/Review
bit.ly/MPSelectMini

→ How To: Level Your Printing Bed
bit.ly/LevelTheBed

===== RELEVANT LINKS =====
►McMaster-Carr
mcmaster.com/#

► Harbor-Freight Tap and Die Set
harborfreight.com/hand-tools/tap-die/40-pc-carbon-steel-sae-tap-and-die-set-62831.html

► Carbide Depot: Tap Chart/Pipe Threads
carbidedepot.com/formulas-tap-pipe.htm

► Carbide Depot: Drill Size Chart
carbidedepot.com/formulas-drillsize.htm