I Finally Got An 8" Grinder 23-197 Delta

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Review by Rodango posted 02-08-2021 06:06 PM 1332 views 0 times favorited 5 comments Add to Favorites Watch
I Finally Got An 8" Grinder  23-197 Delta No-picture-s No-picture-s Click the pictures to enlarge them

Been hoping to get a slow-speed  grinder for a long time, for chisel snd plane blade re-grinding and
other general tasks. Never saw one come up on CL or FBM that I could buy before it was gone or
that looked decent for less money than NEW!

While I’ve tried to swear off both Delta, grrr, and to a lesser degree Taiwan, the real China,
now here’tis, and she’s pretty decent. (As that apocryphal boy said, ‘see how she schoons’)

Specs & observations
- 5A, comes wired for: 120V with grounding-plug (maybe convertible to 240V?)
- the cord is SJT, claims 120°C 300V, 18AWG (is it me or should that be 16AWG?) ~72” long (6’)
- it sports a great, gooseneck lamp; that’s rated up to 40W; no bulb supplied; used a 7W PAR16 high CRI
- wheel measures 7 25/32” / steel-arbor is right about 0.625”
- there is an On/Off switch with pullout lock-key (always a Delta feature in the before-times!)
- potentiometer knob for 2000 to 3400 RPM
- there is a (slip-off-slip-on) water dunking-trough right under the switch and knob
- toolrests and polycarbonate-eyeguards are a little basic, but adjustable and well thought out
- bonus: it comes with a nice diamond wheel dresser; there’s a clip to store it built on the back!
- rats: probably the wheels need dressing straight from the box…
- the supplied wheels are 36 grit + 60 grit, slightly over 1”, and a little vibrate-y, but usable
- the base has 4 ~0.425” holes to bolt it down – post, workbench, FLIPTOP!
- shpg weight listed as 49.2lbs!² – it’s a heavy rascal, which helps absorb vibration and works better
- finally, there are flat rubber feet on the bottom which also help absorb vibration.¹

I plan to get some pink or white finer grit wheels³ and a buffing head, & probly a wirebrush.
There are some good toolrest mods on YT, but mainly for machinists who can pull out their
metal lathe, milling machine, cold rolled and al-angle scrap. Imma see what I can do, but
the supplied toolrests are usable once you figure out how to assemble them: I had to
scout some pics on the internet, the directions are for s

Maybe coulda found it for US$20 less, but bezos had it in my hot little hands in 36hrs via prime,
less than US$155. I think it’s a rebrand of the white ShopFox, both companies have them made to order,
and they are apparently identical except for color and labels. If I’d had too much money, woulda been
happier with a Baldor version, but at 4-6x times the price? I’ll get some mo-betta wheels
in finer grit soon, and consider a CBN or possibly a lapidary disk and backing plate, hmmmm!

Best of luck, post below if you have one, are deciding to get one, or think the tool
or my brief review are SHITE! [Deutsche: shiesse!]

Overall: I would recommend this grinder. Try to get a good deal.

¹ it vibrates. As I adjust the speed, it gets louder then quietens down just above center,
then it gets AWESOME (both loud and very fast!) On YT, a machinist made custon flanges for the wheels and trued the arbor on his metal lathe. I can see that helping! Should already be good, but if you’ve read this far bless you! you’ll realize the dream of a Baldor, @US$750 new and up, is not just something in my pipe! (figuratively, of course)

² the weight surprised me when I picked it up first time! As did the size of the box,
which had a ‘HEAVY’ sticker on it—49.2# COOL!

³ anyone have a recommendation for good wheels, CBN, buffing-wheel-stack, side-grit-disk (like the diamond-lapidary disks? I’ve seen them at good prices, ~<=US$15.00. I’d go for one directly, but they flex, I guess, and need a stiffener disk behind – the product material seemed to be saying that, it wasn’t clear.

? wrote this on my iPad. I have shortcuts set up in “Text Replacement” under Settings->General->Keyboard that allow me to type, for instance, $$5 and it replaces the text with superscript 5? (which is not showing up here, but…). I have a lot of commonly used symbols and phrases set up this way, real help for keeping up the writing flow….

-- I won't even try to tell other people how to live their lives: they're not listening and I'm probly wrong.

View Rodango's profile


36 posts in 477 days

5 comments so far

View woodchuckerNJ's profile (online now)


1525 posts in 2882 days

#1 posted 02-08-2021 06:46 PM

I have a Rikon slow 8”, the wheels were horrible. The shaft was perfect, less than a thou of runnout.

The flanges provided were also horrible.I had rikon send me a new wheel and flanges. That didn’t help, the flanges were slightly better. The wheels still crap. They wobble big time side to side. I have trued both the face, and side of the wheel, and balanced them.

I had to make new flanges, I have a machine shop as well. So your experience may wind up being the wheels and flanges. Years ago, when I was a kid, the flanges were either cast then machined, or fully machined steel. Now with the stamped steel flanges, you get nothing.

Consider picking up new flanges with the balancing built into the flange. There are different types.

Yea , a baldor would be nice… Even used they are $$$$$.

-- Jeff NJ

View robscastle's profile


8282 posts in 3453 days

#2 posted 02-09-2021 09:49 AM

Not only that you should ring them before use.

Nothing more uncomfortable than a section of grinding wheel doing an impersonation of Thor’s Axe in your forehead.

-- Regards Rob

View LittleBlackDuck's profile


8114 posts in 2069 days

#3 posted 02-10-2021 12:15 AM

Nice thorough review ’dango...

Any review is a boon to readers (jó vagy szar... in the words of the son of a Hungarian fern cutter) to decide whether its a goer or not their style.
A review by an independent user is a helluva lot better that the bucket of shit churned out on the internet, by faces subsidised by dealers/manufacturers.

I have a Tormec, so a grinder should have been out of the equation (for sharpenning)... however, after about a 4 hour effort to change the shape of a chisel, I threw in the towel and searched for a grinder. I have always wanted a slow speed grinder but could not get one on demand in Australia… After the cheapo one I bought, I have since purchased 2 slow speedsters, but unfortunately without a juice control.

I’m no way electrically minded (short of XXX on-line) and burned out a few speed controllers trying to regulate the speed of my full speed, cheapo grinder.

Now I use my slow speeds for buffing (using the 8in. Beall buffing system) and 10in. flap sanders (not cheap) both of which don’t operate too good at 2,700 RPM. I found that I was tying up my lathe too much before the slow speedsters… when I want to buff and/or sand, I want to buff and/or sand and not start wasting precious time swapping wheels… wheely.

-- If your first cut is too short... Take the second cut from the longer end... LBD

View 987Ron's profile


2232 posts in 565 days

#4 posted 02-11-2021 01:07 AM

I have this same Delta Grinder and have had it for some time. No problems. I do not do a lot of turning so the use has been infrequent Mine is bolted down to a bench, with a Oneway Wolverine Grinding Jig.
The nut holding the light fixture in to its housing vibrates loose often. Finally used pliers to tighten.
It is pretty quiet and not much if any vibration.
Would buy it again if I needed one.
Your review was good. Dein Ost war gut.

-- Ron

View Rodango's profile


36 posts in 477 days

#5 posted 03-20-2021 02:52 PM

After using this Delta grinder for 30 days, replacing the 60grit wheel with an excellent 180grit white wheel which, BTW made a huge difference in grinding speed of tool and high speed steel chisels and drill bits, I gave up and sent it back. It was one day before the return period ended.

I was very happy with the features: 8” stones, variable speed easily set, dunking tray on the front, convenient gooseneck lamp, and the almost 50# weight, I turned it on one last time and watched the whole table vibrate like crazy. It had gotten worse…not sure if the bearings were going out after ~ 30 uses, or if the armature was such soft steel that minimal use had caused it to bend, but I was unable to sharpen drill bits because of the heavy vibration. My wife came into the shop and I pointed to it. She said, “I could hear it outside theshop. You’re not happy with it and you won’t get any happier, so just send it back.” Right! It was hard to let go, but in the end she was right. I’ll post another review if the next one turns out better!

Final thoughts:
• Now I’ve seen how useful it is to have a grinder in the woodshop.

• Next time I’ll definitely set up dust extraction…maybe a passive, fire-safe system?

• The worst was dressing the stones after wearing unevenly: it puts off a cloud of dust.

• The Norton stone was outstanding, cut 3x as fast as the 36grit stone supplied

• The usefulness of a new tool expands to many tasks: plane & chisel blades, screwdrivers, drill bits, bolts, rebar, metal plates, washers, etc.

-- I won't even try to tell other people how to live their lives: they're not listening and I'm probly wrong.

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