Model # DCX045040N01F

Internet #202830903

Store SKU #260073

Store SO SKU #260073

Diablo 4-1/2 in. 40-Grit Steel Demon Grinding and Polishing Flap Disc with Type 29 Conical Design
0008925094036

Diablo

4-1/2 in. 40-Grit Steel Demon Grinding and Polishing Flap Disc with Type 29 Conical Design

  • Offers double the functionality from one flap disc
  • Works with angle grinders
  • Ideal for working with metal and stainless steel
$7.97 /each

Frequently Bought Together

Product Overview

Diablo's 40-Grit Steel Demon Grinding and Polishing Flap Disc combines two steps in one by simultaneously grinding and polishing. It delivers fast material removal. Use this flap disc with angle grinders.

  • Gives you fast material removal
  • Type 29 conical design
  • 7/8 in. arbor (no hub)
  • Works with angle grinders
  • Ideal for working with metal and stainless steel

Specifications

Dimensions

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Customer Questions & Answers

Where do I find a Type 27 disc?

The manual says to use only type 27 depressed center wheels. I bought and returned this the same day not knowing there would be a difference.
Asked by: steve
I have a Bosch Angle Grinder with type 27 discs. I use the Home Depot Flap discs, and also their metal cutting discs. My Bosch is a 5" but 4.5" size works fine. All these discs at Home Depot are marked as Type 27. The key thing is to check arbor size. Mine is 7/8" arbor /shank diameter so I check this on pkg. You can also find these on Amazon. Search on 'Type 27 discs' and you will find them, but why look further than Home Depot?
Answered by: Martine
Date published: 2017-01-06

will this work on hardened steel?

i have a knife made from 1055, hardened enough that a file won't touch it. i want to reprofile the blade to 4 inches and redo the bevels with this, but i need to know if it will handle the job without wearing down before its finished. the knife was made with 5/32 inch stock if that helps.
Asked by: TheOncomingStorm
yes, wont grind down the metal too much, may take a few more discs to accomplish what your doing but works well.
Answered by: Eric
Date published: 2017-01-24

do you know who carries a 9" flap grinding wheel disk

Asked by: notso
Not sure what you need here. 1. There are Type 29 flap discs on Amazon but they are not 9", only 4.5" and meant for wood sanding or rust removal, on angle grinders. 2. There are 9" 'grinding flap wheels' on Amazon, but they don't look like the flap sanding type, only metal grinding type. These are sold by '3M' seller pack of 10 for $198. 3. Finally, there are 9" flap discs available in bulk directly from China - visit Alibaba site (like their ebay marketplace). I know people who have bought from China and been quite satisfied. Does take time, but I cannot find anything 9" online other than China. Is it possible you meant 9" FLAP ABRASIVE WHEELS? These are also on Amazon.
Answered by: Martine
Date published: 2017-01-06

will this work on wood

will this work on wood
Asked by: vacesu9
yes, anything you can sand, it will work, just watch out for overdoing it! May want to use for just rough sanding, then finish sanding by hand.
Answered by: Eric
Date published: 2017-01-24
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Customer Reviews

4-1/2 in. 40-Grit Steel Demon Grinding and Polishing Flap Disc with Type 29 Conical Design is rated 4.4 out of 5 by 44.
Rated 5 out of 5 by from Faster and better than grinding discs Since discovering these several years ago, I hardly ever use a grinding disc. These really remove the metal faster and leave the surface cleaner without ugly scratches. I have used many different brands, including the cheap imports from the cheap import tool store. One of these lasts 3-5 times longer, so it is more cost effective to use these, even at 2.5 times the price.
Date published: 2016-11-03
Rated 3 out of 5 by from I have a huge need for flap disks to sand out nail embedded reclaimed pallet wood for furniture. ... I have a huge need for flap disks to sand out nail embedded reclaimed pallet wood for furniture. I use my angle grinder to smooth out tops of rough hewn wood. Prior to that, I grind off nails till all that is left is the nail embedded in wood. At this high price I had hopes the Diablo brand would last longer and outshine the 4.5" Harbor Freight Aluminum Oxide (same as these) discs. Nope! These lasted the same amount of short time before they were worn out and burning the wood leaving singe marks on it. Might as well buy the HF brand at $5 each instead of $8! Not much luck on Amazon either. And impossible to find Zirconia flap discs, or even 5" size which is my Bosch grinder size. Not paying this much for mediocrity. I'm also buying a conversion pad and sanding discs for my grinder to replace these costly discs. The Bosch RUBBER conversion pad on Amazon is highly rated, but the sanding discs (not flap) are very reasonable and good at Home Depot.
Date published: 2017-01-06
Rated 3 out of 5 by from So so I have had these wheels in the past that cut good and last long. This one didn't seem to perform as well, especially not for the price you pay. Gonna try some other brands you can buy online for a third of the price.
Date published: 2016-12-27
Rated 5 out of 5 by from Worked great with a battery driven grinder. ... Worked great with a battery driven grinder.
Date published: 2017-01-24
Rated 4 out of 5 by from Aggressive 4-1/2 in. 40-Grit Steel Demon Grinding disc(s) The 4-1/2 in. 40-Grit Steel Demon Grinding disc(s) did an exceptional good job of cleaning and eradicating 1/4 inch thick of solid rust and corrosion from my 3/4 inch thick ASTM A36 grade plate steel sheets. My only complaint is that the life of the grinding capacity of each wheel was much shorter than expected. Each wheel only lasted approximately 8 to 12 minutes at a constant and continuous grinding speed of 9,000 rpm. I went through 10 new 40-Grit Steel Demon Grinding discs wheels altogether for my project.
Date published: 2016-09-15
Rated 5 out of 5 by from Last longer than others I do a lot of sanding to remove rust on a lot of different items from Truck beds to barn doors and the Diablo grinding disc seem to last the longest and don't clog up like some of the others I have used do. For bigger sanding jobs, there's no better or faster way to cut through material than using this sanding disc with the grinder. Love using the Diablo products. They have yet to let me down.
Date published: 2016-07-04
Rated 2 out of 5 by from Didn't last. I purchased this disc to clean up some welds. It did not hold up under normal use and I was only cleaning up some TIG welds and prepping the edges. I had some of the flaps shoot out of the disc while sanding. they did last longer then the flap discs from DeWalt.
Date published: 2016-06-14
Rated 4 out of 5 by from Works as I need Have not used this disc yet, but the other ones are working great. I may upgrade once I have used this particular product. I got this dics to sharpen lawn mower blades, but have not use it yet.
Date published: 2016-08-24
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