This helical cutterhead is designed to perfectly fit Jet 8-inch jointers.IncludingJet JJ-8 8″ JointerJet JWJ-8CS 8″ JointerJet JJ-8CS8″ JointerJet JJ-8HH8″ JointerThe 8″ spiral helical cutterhead with 36 top-quality tungsten carbide insert knives will completely turn your jointer to the next level. Tungsten carbide insert knives are made of 100% raw material, so compared with HSS knives, we provide youTheperfect woodsurfacefinishesonany hardwood.Thistrue helical headproduces atrueshear cut, whicheliminates the kick-backs and tear-outs.Improved blades reduce surface blemishes and significantly lower the possibility of blade fracture.40Xlifetimefromourproudcarbideinsert.Higher work efficiency thanks to faster feed speed.Producing much smaller chips and your dust collection system will function more efficiently.Changing blades is effortless and does not require adjustment.Noneed to re-sharpen the blades any longer.Dramatically reduce the noise by more than50%.Replacement knife: 15x15x2.5mm-R150-4R0.5 blades.To properly align the inserts, please tighten them to approximately6 Newton-metertorque.In case you’re unable to locate a cutter head that matches your machine model,we also provide an optionforacustom cutter head.#This helical cutter head is designed for the replacement of the G-8Mcutter head (Notthe made-in-China models). If your machine is younger than 2004, this cutter head will fit right. If the machine is prior to 1996, ituses a G-8 cutterhead, and you need to replace the pulley with a metric-sized pulley. If it is made from 1996 to 2004, you will need to measure the diameter of the diameteron end of the shaft on the pulley side to confirm. (G-8M head-19mm; G-8 head-3/4″)If your jointer is made in China, please check the made-in-China version cutter head page.Any option includes:1 x Findbuytool 8″ helical cutterhead36 x Carbide insert knives4 x Spare Carbide insert knives36 x Screws4 x Spare Screws2 x Screw DriversA pair of bearings (Pre-assembled)Technical informationMax Wide of Cut8 InchDiameter3 InchCutting Wings4Quantity of Knives36Insert Knives15x15x2.5mm-30-R150ApplicationWoodSHIPPING DIAMETERPackage:In CartonNet Weight:3900gPackage Size:350 x 200 x 60mm

helical cutterhead