Used to cut the nail nick in your blade prior to heat treat. Designed for use in milling machines. Blade must be soft when nail nick is cut. Heat treating will then color your nail nick. Shaft is 3/4” diameter. Use cutting oil to aid the cut and run at a slow speed of 80 to 135 RPM. Advance into the blade .001 per rev. Allow free cut on final cut. Depth of cut should be 1/2 thickness of your blade. + .010. Right hand cutter cuts with the cutter edge up and the sharp edge of your blade down. Left hand cutter cuts with cutter edge down and the sharp edge of your blade up. See illustration in pictures for help in choosing the correct cutter. Shown with the LH cutter. Jantz Work Holder Fixture available for purchase here.Made in USA.
