Most woodworkers know that a shear cut is far better than a straight cut. Check out our unique gifts for paraprofessional selection for the very best in unique or custom, handmade pieces from our shops Inexpensive 4 sided replaceable carbide Helix to assist the chip flow Powermatic - Shelix Head Inserts for Helical Planers, Set of 10 – Eagle... Powermatic Tenoning Jig Powermatic 15" Planer W/Byrd SHELIX Helical Cutterhead (15HH)(1791213 Helical Heads For Planers They also know that a shearing cut produces a superior finish and is much quieter during operation. SHELIX Cutterhead for POWERMATIC 20 Planer, Model 208 - Byrd Tool Experts Shear on each knife for true helical cut If you happen to plane a nail or staple, it is not necessary to replace knives the full length of your planer head. Clearance between knives for chip flow The helical cutterhead addresses each of these through the use of spiral staggered knives that are shear cut.
