This helical cutterhead fits Hammer A3 31 12 in. jointer planer.This heavy-duty helix cutterhead features 4 cutting wings, and 56 carbide inserts in total, offering perfect surfacing quality. Ourspiral cutterheads are well manufactured by 5-spindle CNC machines, resulting in excellent coaxiality.The tungsten carbide insert knives are made of 100% raw material, so compared with HSS knives, we provide youThe better woodsurfacefinishonbothhardandsoftwood.10xlifetimefromourproudcarbideinsert.Higher work efficiency.Nosharpeninganymore.Less noise.Compatible with15x15x2.5mm-30-R150 carbide insert knives.To properly align the inserts, please tighten them to approximately6 Newton-meter torque.In case you’re unable to locate a cutter head that matches your machine model, we also provide an option for acustom cutter head.Any option Includes:1 x Findbuytool helical cutterhead60 x carbide insert knives60 x screws1 x ScrewdriverA pair of bearingsTechnical informationMax Wide of Cut12 Inch (310mm)Diameter3 InchCutting Wings4Insert Knives15x15x2.5mm-30-R150ApplicationWoodSHIPPING DIAMETERPackageIn CartonNet Weight8250Package Size440 x 60 x 60mm

helical cutterhead