We produce an expensive line of Hydro Lock moulder heads for higher production moulders. You choose the cutting angle 10°, 12°, 15°, 20° etc. Made from high strength hardened steel, CNC machined to exacting tolerances and balance to run up to 8000 rpm. Our heads offer finer surface finishes with the durablity to withstand years of continuous use on high speed moulders. Standard corrugated knife slots are 16-60° with 16-90° available upon request. * Body diamater: 137mm, 150mm, 163mm and 195mm. * Cutting Lengthes: 60mm to 230mm. * Bore sizes: 1-1/2", 40mm, 1-13/16", 50mm and 2-1/8". * Cutting Angle: 10°, 12°, 15°, 20° or dual angle. * Number of Knives: 4, 6, 8, or 10.