Upgrade your Jet jointer, planers with Sheartak Spiral Cutterheads for the following benefits. 

* Produce glassy surface finish with no tear-out 

* Dramatically reduce noise. 

* Tungsten carbide inserts last 50 times as long as straight blades do. 

* No need to sharpen the inserts. Turn 90 degrees for a new edge. It's easy and time-saving. 

* Spiral cutter head makes short and thin chips. Dust extraction is easier. 

* We include additional (5) carbide inserts (5) screws as spare parts for each cutter head.