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Factory Reconditioned: As good as new. For less. We guarantee it. ยป

As Good As New.

All reconditioned tools are inspected, tested, and cleaned by manufacturer trained technicians. They are then repackaged and distributed to our warehouse ready for sale โ€“ just like new!

For Less.

Enjoy an average savings of 20-30% compared to new tools. Reconditioned tools are distributed to dealers like CPO after passing multiple inspections โ€“ allowing us to sell to you at amazing prices!

We Guarantee It.

Along with the full manufacturer warranty, CPO backs all reconditioned tool purchases with a 60 day money back guarantee. We want you to have peace of mind with every order.

Model#: DEWNDW4774

What are the different product conditions?

Brand new items;Full manufacturer warranty available
Manufacturer inspected, repaired and tested items; CPO 60 day money back guarantee
Open Box
New or Recon items with possible minor cosmetic damage; CPO 60 day money back guarantee
Returned items inspected, repaired and tested by CPO technicians; CPO 60 day money back guarantee

Dewalt DW4774 4-1/2 in. Extended Performance Cup Grinding Wheel

Model#: DEWNDW4774
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  • Advanced diamond matrix provides long life and enhanced material cutting
  • Segmented rim blades are laser-welded with heat-treated steel bodies, providing increased durability and long life
  • Large diamond segments with cobalt ideal for use across various product applications
  • 4-1/2 in. Extended Performance Cup Grinding Wheel - DW4774


Arbor Size: 5/8 in. - 11
Diameter: 4-1/2 in.


  • Best for cutting concrete, stone and block
  • Fast rough cutting
  • Double segment row
  • Heavy-duty masonry grinding
  • Reviews

    Product Reviews


    by PowerReviews
    Dewalt4-1/2 in. Extended Performance Cup Grinding Wheel

    (based on 1 review)

    Reviewed by 1 customer

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    Poorly designed

    By ramrod27

    from Ramrod Key Florida

    About Me Avid Do-It-Yourselfer

    Verified Buyer


    • Just Ok Not Great


    • Hard To Use
    • Inaccessable Remove Nut

    Best Uses

    • Home Repair

    Comments about 4-1/2 in. Extended Performance Cup Grinding Wheel:

    Once the wheel is on the grinder you need a special thin wrench to remove it as the nut is on the inside and should be on the other side. Works OK but not as good as expected

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    Questions & Answers