loading

This is a simple DIY solution to broaching odd shaped holes in metal.

Step 1: Minimum Viable Rotary Broaching Tool Using Only 4 Parts

Short vid showing the details of this simple homemade tool.

<p>very good idea, I wonder, if you turned the end of the cutter down just under the size of the drill would it help starting the cut?</p>

About This Instructable

8,385views

47favorites

License:

More by arduinoversusevil:Fireproof Carbon Foam from Pyrolysed Bread Hacked Dollar Store Junk; Aka: Personalized Colour Shifting Nightlight. Indestructible Thumb Detecting Shop Stein 
Add instructable to: