Free 4.5 grinding disk

[da.bees]

SIL installed new Harbor Freight disk and ground about 6 square inches before it exploded.
Other three unused disks are in his trash can if you want them,he bought DeWalt replacements.

 

[marloweg]

been using them for more years then i like to omit and NEVER had one fail and have used a ton of them just bought 50 today

 

[mark1955]

you need to let Harbor know about it so they can test them and take off the market, they do a good job on safety testing, before putting out in their stores.

 

[Hemmjo]

Was this a grinding disk or cut-off wheel?

I have used lots of both from HF and never had a problem. You should return it.

 

[BarnyardEngineering]

Same here. I don't like Harbor Freight grinding discs (their cheap Chicago brand) for other reasons, but I've never had one "explode."

The reality is ANY grinding wheel can "explode." Could be an unseen manufacturing defect. Could be it got dropped. Could be in how it's being used. That's why you wear protective gear and use the guard, right? RIGHT?

 

[Russ from MN]

I use a lot of them, they work fine for me.

 

[M-MAN]

No thanks. Side grinders turn way too fast to take chances like that. I prefer Sait industrial disks but Bosh is a good quality disk also.

Yes I tried cheap disks once a few decades ago. When chunks started flying at 13,000 rpm's I decided real quick they weren't for me. I think my health is more important than saving a few bucks on grinding disks. Others may feel differently.

 

[1948CaseVAI]

I have used hundreds from HF and actually greatly prefer them over those from DeWalt, although I suspect they all come ffom the same or similar factory. I have had many from DeWalt that were seriously out of balance but never had one from HF.

 

[cjunrau]

I have to admit like others. Prefer princess auto blades over makita or dewalt Had a couple of the name brand ones blow up on me. I find if I dont push hard and let it do the job instead of me it goes faster and no broken blades.
Like someone said. Could have been dropped or stepped on causing a catastrophe

 

[Mule Meat]

Could it have been operator era that caused it to break?

 

[Keith Molden]

Did he by chance purchase the wrong RPM disc for his grinder. I know if you put a lower rpm one on a faster turning one they will fly apart. Don't ask me how I know that, it only takes 1 time then you make sure and match them up. Guards are a great thing for grinders and disc breakage is one reason. Harbor freight sells several different types and speeds of discs. I have 2 Metabo grinders in my shop and have to make sure I get high enough rated ones for them, Dewalt blades will fly apart on them.

 

[showcrop]

There was a thread on cut-off discs on here just at the time that I was getting into a big project seven years ago. There were plenty of posts about don't risk your vision/life/girlfriend/dog on no name discs. I did anyway. I think that it was a box of 100 or so. I had no problems. I am just now down to two of them left.