J-4421-4, 20" Disc Grinder 460V 3Ph

J-4421-4, 20" Disc Grinder 460V 3Ph

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J-4421-4, 20" Disc Grinder 460V 3Ph

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This large surface disc grinder from JET is designed to put a smooth finish or grind to remove stock on just about anything that comes through your shop. An extra-large tilting table ensures user flexibility perhaps previously unimagined, and added safety features ensure your shop stays accident free. JET backs this machine with its industry-leading Two Year Warranty.


  • Extra large tilting table
  • Extra large tilting table lowers completely below disc for use of the entire disc surface
  • Low voltage protection switch
  • Precision table raiser utilizes a rack and gear mechanism for effortless operation
  • Rigid column and heavy duty base
  • Tilting table capability adds flexibility of 45° forward and 15° backward on positive lock rack and gear
  • Tilting table lowers completely below disc for use of the entire disc surface
  • Wrap over guard for added safety


  • Disc Diameter (In.) 20
  • Style (Type) Disc
  • Weight (Lbs.) 400
  • Motor (HP) 3 HP, 460V, 3Ph
  • Motor Phase 3
  • Motor Voltage (V.) 460
  • Overall Dimensions (L x W x H) (In.) 30 x 28 x 53

Warranty Information


JET warrants every product it sells. If one of our tools needs service or repair, one of our Authorized Service Centers located throughout the United States can give you quick service. In most cases, any of these JPW Industries Authorized Service Centers can authorize warranty repair, assist you in obtaining parts, or perform routine maintenance and major repair on your JET tools. For the name of an Authorized Service Center in your area call 1-800-274-6848.

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