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Jet® 20'' 5HP Planer w/Helical Head

Item #
100% of 100

JWP-208HH-1 helical head planer quickly and quietly transforms rough lumber into smooth boards, with a full 20" planing width. Its heavy-duty cast iron and steel construction keeps the workpiece steady and supported, while the conveniently located two-speed gear box allows for quick and easy feed rate adjustments. This machine means business with a powerful 5 HP induction motor combined with a helical insert cutterhead housing 92 staggered carbide knives. You'll appreciate the sets of three steel infeed and outfeed rollers to help prevent annoying snipe. A large cast-iron table with smooth-as-glass surface makes this planer a beautiful addition to the shop. And since planers kick up a lot of dust, we made dust collection easy with an exclusive angled 4" dust port to keep your hose out of the way.

  • Helical cutterhead with indexable carbide inserts for a superior finish and quieter cut
  • Heavy-duty cast iron and steel construction for added strength and durability
  • Two-speed gear box with automatic chain tensioner lets you adjust the feed rate to meet your needs
  • Large, cast iron, precision ground table for precise workpiece support
  • Powerful 5 HP TEFC induction motor with three V-belt transmission for smooth and consistent power
  • Positive gear drive moves table quickly and accurately
  • Work table is precision-ground and polished for consistently smooth operation
  • Large handwheel with positive gear drive allows for quick and accurately table adjustments
  • 1/16" increment height scale lets you make the most precise adjustments for fine cuts
  • 5" dust port provides efficient chip and dust collection
  • One-piece welded steel base offers solid support and stability
  • Magnetic controls provide long life and reliability
(1) Jet® 20'' 5HP Planer w/Helical Head
More Information
Brand Jet
Manufacturer Part Number 708544
Weight 837.0000
Discountable No
Planer Blade Size 20"
Planer Cutter Head Speed 5000 RPM
Dust Collection 5" Port
Maximum Depth of Cut 3/32"
Number of Knives 92
5.0 / 5.0
4 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Better than I expected!
I'm a retired woodworker, sold my professional shop, large 3 phase machines included. Now downsized into a 2 car garage. This planer produces a better finish than my old monster, is much quieter and the dust collection works better. Was ready to use with very little effort out of the box. Very happy with my decision though I don't have a long history with the planer yet.
November 8, 2018
1 year ago
Woodworking Experience:
Fast and smooth. My Dewalt 13" with helical head is twice as loud as this planer. It's heavy...very heavy. I used a 1500lb mobile base for this one and it's simply amazing.
July 23, 2018
1 year ago
Woodworking Experience:
I paid for the largest and best... the helical head. I don't regret it. I love Jet's Machines. I wish they made one with a larger width but that's me being greedy.
December 15, 2017
over 2 years ago
Woodworking Experience:
Very pleased
The build quality is superb. Performs better than expected. Very impressed.
March 24, 2017
over 2 years ago
Woodworking Experience:
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 4 questions Browse 4 questions and 5 answers
Why did you choose this?
Rockler Store
I think it is the best of it's kind.
Charles G on May 16, 2018
I think it is the best of it's kind.
Charles G on May 16, 2018
what's the recommended amperage circuit?
Jeff P on May 15, 2015
BEST ANSWER: There are two options available for this 5 HP machine, 230 volt Single Phase and 230 volt three phase. Please contact a qualified electrician for additional installation information.
Does the Jet 20" 5HP planer w/Helical Head comes in 220 Volts, 50 Hz.?
Susan Y on Sep 10, 2015
What is the torch setting for the helical knifes?
Calico on Jun 13, 2018
BEST ANSWER: Most of the torch setting are specified in the manual. It should be around 7 to 10 inch pounds.
What is the required cfm dust collection for this machine?
Calico on May 13, 2018
Prop 65 Warning WARNING This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to