This helical cutter head is designed to perfectly fit Oliver 4230 8-inch jointers.The8″ helical spiralcutterheadwith36 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 youThe better woodsurfacefinishonbothhardwood andsoftwood.Thistrue helical cutterheadproduces smoothshear action, whicheliminates the kick-backs and tear-outs.40Xlifetimefromourproudcarbideinsert.Enhanced bladesdiminish marksonthe wood anddecrease the odds of blade breakage.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 OVER50%.If you need spare blades, please click15x15x2.5mm-30-R150 carbide insert knives.In case you’re unable to locate a cutter head that matches your machine model,we also provide an optionforacustom cutter head.Please tighten the inserts to approximately 6 Newton-meter torque to properly align them.#This helical cutter head is designed for the replacement of the G-8Mcutter head. 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″)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 DIAMETERPackageIn CartonNet Weight3900Package Size350 x 200 x 60mm

helical cutterhead