JET JWP-208HH 20" Planer with Helical Cutterhead, 5 HP, 1Ph 230V by JET is a professional-grade woodworking planer engineered to quickly and quietly transform rough lumber into smooth, finished boards across a full 20" planing width. Powered by a robust 5 HP induction motor and equipped with a helical insert cutterhead housing 92 staggered carbide knives, this machine delivers a superior surface finish and noticeably quieter operation compared to traditional straight-knife planers. Key Features Powerful 5 HP induction motor drives a helical insert cutterhead with 92 staggered carbide knives for a superior finish and quieter cut Full 20" planing width accommodates wide boards in a single pass Heavy-duty cast iron and steel construction keeps the workpiece steady and properly supported throughout the cut Conveniently located two-speed gearbox with automatic chain tensioner allows for quick and easy feed rate adjustments Sets of three steel infeed and outfeed rollers help prevent annoying snipe Large cast-iron precision ground table with smooth surface finish provides excellent workpiece support Helical cutterhead diameter of 3-3/16" spinning at 5,000 RPM delivers consistent, high-quality results Maximum full-width depth of cut of 3/32" per pass 5" dust port (outside diameter) requires a minimum of 400 CFM for effective dust collection Operates on 1-phase, 230V power - suitable for a dedicated shop circuit Specifications Stock Number: 708544 MPN: JT9-708544 Motor: 5 HP Voltage: 230V, 1-Phase Planing Width: 20" Cutterhead Type: Helical Insert Number of Carbide Knives: 92 staggered Cutterhead Diameter: 3-3/16 in. Cutterhead Speed: 5,000 RPM Knife Size (L x W x T): 15 x 15 x 2.5 Maximum Full Width Depth of Cut: 3/32 in. Dust Port Outside Diameter: 5 in. Dust Collection Minimum CFM Required: 400 CFM Table Material: Cast iron, precision ground Construction: Heavy-duty cast iron and steel Frequently Asked Questions What type of cutterhead does the JET JWP-208HH use, and how many knives does it have? The JWP-208HH uses a helical insert cutterhead with 92 staggered carbide knives. This design produces a superior surface finish and operates more quietly than conventional straight-knife cutterheads. What is the maximum depth of cut this planer can take in a single pass? The JET JWP-208HH is capable of a maximum full-width depth of cut of 3/32 inch per pass. What are the dust collection requirements for the JWP-208HH? Effective dust collection requires a minimum of 400 CFM. The dust port has an outside diameter of 5 inches, so your dust collector hose or fitting should be sized accordingly. What power supply does the JET JWP-208HH require? This planer operates on a 1-phase, 230V electrical supply. A dedicated 230V circuit in your shop is required to run this machine properly.