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angle grinder what do I need

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cherrybomb

Well-known member
Joined
Oct 18, 2016
Messages
888
Location
Near Madison Wi.
Like the previous poster,Puget Dude clearly explained,without a guard or any other hiccup that could happen with a power tool such as a grinder and possible metal vibrating and jumping around,disc shattering,in the eye of safety,I would do the bolt cutter.That picture of a nasty injury should be a reminder for all of us to ,pause and think of what we are trying to accomplish
 

Dakotadadv8

Well-known member
Joined
May 30, 2021
Messages
1,482
PPE and caution. Take your time and secure your work. **** happens but lower the odds injury. Buy good tools and blade, throw away worned out blades. Going cheap can be expensive with health issues.
 

partsguy5768

Well-known member
Joined
Dec 12, 2024
Messages
347
Yeah. You do you.Screenshot_20250420-104450-007.png
It's a somewhat gm h
Yeah. You do you.Screenshot_20250420-104450-007.png
Ouch!!! Nasty. Stuff happens but still not changing my mind after 40 plus years of using grinders with a guard. A good glove and control goes a long way to preventing a injury like that. Its a somewhat free country and one can choose what works best for them. I do a lot of metal fab/ car building/ heavy equipment and guards are at the minimum non practical to absolutely worthless in getting a job done. Hope you healed well. Take care.
 

whateg01

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Joined
Mar 13, 2006
Messages
11,212
Location
doo dah, kansas, usa
I've always wondered how those diamond wheels worked with metal. Diamond grinding wheels for sharpening, I was always told, aren't to be used for steel, only carbide, because reasons. Iirc, something about the steel pulling carbon from the diamond
 

partsguy5768

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Joined
Dec 12, 2024
Messages
347

partsguy5768

Well-known member
Joined
Dec 12, 2024
Messages
347
I've always wondered how those diamond wheels worked with metal. Diamond grinding wheels for sharpening, I was always told, aren't to be used for steel, only carbide, because reasons. Iirc, something about the steel pulling carbon from the diamond
Junk... and yes I've used. Correction tried to use. Junk
 

partsguy5768

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Joined
Dec 12, 2024
Messages
347
You tube etc loads and loads of car building shows. A common thread no guards. Why? Not ideal to worthless nothing to do about geing manly , cool or whatever. It's simply about what works best for one. Guard best for you, guard away.. happy grinding all.
 
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tarbellb

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Joined
Apr 17, 2011
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5,738
Location
Oregon
Those diamond blades create a ton of heat and take longer to cut
Safer, maybe, but there is a definite performance advantage to 035 cutting disc

If you haven't noticed then you aren't maximizing the performance of either
 

PugetDude

ALLIANCE MEMBER
Joined
Mar 13, 2013
Messages
22,328
Location
Superstition Mountains, AZ
You tube etc loads and loads of car building shows. A common thread no guards. Why? Not ideal to worthless nothing to do about geing manly , cool or whatever. It's simply about what works best for one. Guard best for you, guard away.. happy grinding all.
YouTube. Where truth, common sense, and safety go to die, all for a few likes.
 

AA/FC

Well-known member
Joined
Dec 9, 2010
Messages
2,080
I bought this grinder last month for $69.99. I am very impresses with it so far. Lot's of power and it runs VERY smooth.... Well, it's much smoother than my previous HF angle grinder, anyway. lol. It comes with 3 guards for 3 different size grinding wheels. I typically do use guards unless I absolutely need to remove the guard to complete whatever I'm doing. (for clearance reasons) But the guard goes right back on as soon as possible. I don't do much grinding but when I do, I try to be safe about it.

 

seber

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Joined
May 31, 2016
Messages
4,195
Location
Deep East Tx.
I am a guard fanatic but I readily admit, it slows down the work. I have therefor gradually upgraded my angle grinders to models that allow the guard to be rotated to new positions very quickly. Push and turn.
 

American Locomotive

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Joined
Jan 8, 2017
Messages
10,935
Location
Rhode Island
You haven't done much metal work especially car building. Junk!

I am a guard fanatic but I readily admit, it slows down the work. I have therefor gradually upgraded my angle grinders to models that allow the guard to be rotated to new positions very quickly. Push and turn.
I've built a few off-road rigs, and just about completed a frame-replacement restoration project on a Toyota Land Cruiser, that involved a tremendous amount of body work on just about every panel.

All my angle grinders have guards, and the guards stay on. The Dewalt guards have a quick turn locking lever, and the Bosch has a tension screw you just keep slightly loose so you can turn the guard by hand.
 

Hohn

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Joined
Aug 25, 2016
Messages
2,638
Location
Diesel Central, Indiana
A 4.5” wheel on a 6” grinder is not just OK, it’s probably safer than a 6” wheel because any grinder setup for 6” wheels will have a much lower RPM than one that is 4.5” only. There’s no way milwaukee would allow a tool to spin a 6” disc up to 4.5” RPM ranges (~11,500)

These days, I’m quite partial to actual cutoff tools vs the angle grinder. The grinder works, of course, but the plane of the wheels is always such that my hands aren’t well-positioned.

The contrast in safety vs a cutoff tool that gets your hands out of the plane of rotation is just striking.



The inevitable wheel explosion on a fully guarded dedicated cutoff tool is inconvenient, but rarely dangerous if you aren’t sticking your head in the plane of rotation.

I find angle grinders superb general-use tools, but a bit too big and unwieldy to always be the best option. I like a cutoff I can use with one hand.

I’ve been spying this Astro cutoff for awhile:

 

GaryM909

Well-known member
Joined
Apr 11, 2016
Messages
1,519
Location
Calgary, Alberta, Canada
It's instant dismissal from any job site in this province for removing or modifying guards from any
power tools. You need to learn to use your tools with the guards on. The odd time the guard needs to be removed for access you need to fill out 3 days of paperwork signed by half the management on site.
I actually like my guards on my grinders because I can direct the sparks a certain direction.
 

PugetDude

ALLIANCE MEMBER
Joined
Mar 13, 2013
Messages
22,328
Location
Superstition Mountains, AZ
You tube etc loads and loads of car building shows. A common thread no guards. Why? Not ideal to worthless nothing to do about geing manly , cool or whatever. It's simply about what works best for one. Guard best for you, guard away.. happy grinding all.
FYI-a #16 coated sinker works great for wedging the retractable guard open on a Model 77 Skilsaw.
 

M.Brane

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Joined
Feb 11, 2024
Messages
1,717
Location
1 hr N/W of LA LA Land
Been running guardless for decades. Had a few wheels come apart. I make sure to keep myself out of the plane like a chainsaw.

Wire wheels scare me more than grinding, flaps or cutoffs. They shed wires, and catch on things. Had a co-worker that was cleaning up welds inside a cage with a 4" wire. It caught on something, and went across his cheek/eye. Almost went through the safety glasses, and put a good abrasion on his cheek. He was firm believer in face shields after that.

As long as you don't get greedy, pay attention, and keep a firm grip on the tool you'll be fine.
 

Beerhippie

Well-known member
Joined
Oct 13, 2023
Messages
9,679
Location
Far NE Oregon
I just got done taking a few inches off the bottom of a heavy wire fence. I thought that a cut-off wheel on my cordless 4.5" angle grinder would be the cleanest way to do it.

I got about five feet before wearing out the first wheel. It was also quite hazardous, as the wheel would bind as the wires relieved tension at the end of each cut.

I went back to the shop, grabbed my 14" bolt cutters and was done in less than an hour--100' of fence. I'll have to go back and clean up the cuts with a flapwheel, but that's far less scary and costly than the cut-off wheel.

PS: I've been using angle grinders and cut-off wheels for decades. I'm not a novice.
 
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