JET 577010 3HP 3PH 230V 20" Disc Grinder

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Item Number:JET577010
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JET 577010 3HP 3PH 230V 20" Disc Grinder 577010

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The 577010 includes:

  • 1x JET 577010 3HP 3PH 230V 20" Disc Grinder
  • 1x Low voltage protection switch
  • 1x Rigid column and heavy duty base
  • 1x Miter gauge


  • Tilting table capability adds flexibility of 45° forward and 15° backward on positive lock rack and gear
  • Table can be lowered below the disc to accomodate large work pieces
  • Direct drive motor
  • Low voltage protection switch
  • Rigid column and heavy duty base
  • Miter gauge
  • Extra large tilting table lowers completely below disc for use of the entire disc surface

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.

NOTE: JET Tools is transitioning their metalworking machinery products from white to gray. We dropship most products direct from JET. Unfortunately, we have no control over which color you will receive, sorry.

For all JET warranty issues, please visit thier warranty site.


  • Wrap over guard for added safety

Tech Specs:

  • Brand: JET
  • Model: J-4421-2
  • MPN: 577010
  • UPC: 662756093691
  • Type: Disc Grinder
  • Height: 52 inch
  • Width: 28.5 inch
  • Length: 30 inch
  • Weight: 400 pound
  • Gross Weight: 452 pound
  • Motor: 3 HP, 230V, 3 Ph
  • Disc Table Size: 27-1/2 X 10-1/2
  • Disc Table Tilt: 45° out, 15° in
  • Disc Diameter: 20
  • Disc Speed: 1725
  • Table Slots: 3/8 X 3/4
  • Package Qty.: 1

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This item is covered by WMH's 2 Year Warranty and Jet's Red Assurance Protection Plan.

WMH Stands behind every product it sells with outstanding customer service and support. Their multitude of service repair centers offer quick turnarounds and most of the time they can authorize warranty repair, assist you in locating replacement parts, and perform routine maintenance and large repairs on your tools and machinery. To find a service center near you, please visit Jet's service center page.

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