Questions tagged [angle-grinder]

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11
votes
6answers
5k views

How to cut pipe squarely using an angle grinder

I am trying to build a simple bench using wood and steel for the frame. The frame is made of square steel tube (25 mm, 1.5 mm wall thickness) which has to be cut to length. I have recently purchased ...
11
votes
9answers
74k views

Is it safe to use an angle grinder with wood cutting blades?

Being a newbie to DIY and trying to get more and more jobs done myself, safety is a concern to me. I recently bought a Makita 5" angle grinder to cut some metal balustrades, job done. I considered ...
9
votes
2answers
978 views

Does a thread on Diamond Cup Grinding Wheel need a locknut?

I have a 4 1/2” diamond cup grinding wheel installed to my angle grinder. I screwed it on all the way, but there is no room for the locking nut. I called DeWalt and they said since it is a screw-on ...
6
votes
6answers
3k views

Can/Should I use an angle grinder with a blade for metals on PVC coated metal?

I have a large door frame that I want to break into smaller pieces so I can fit it into my car and take it to the dump. The frame is PVC, but has steel on the inside. I've been trying to avoid an ...
3
votes
4answers
6k views

Can I safely use a straight (Type 1) metal cutoff wheel in angle grinder?

I have a Ridgid angle grinder and a metal cutoff wheel. On page 7 of the manual it states: Use ONLY Type 27 depressed center grinding wheels (such as the one provided with this product). NEVER ...
3
votes
2answers
5k views

When is variable speed important in an angle grinder?

I'm ready to buy an angle grinder. My first use will be to "dress" a blacksmith anvil by grinding the face flat and square with a flapper wheel and also rounding some sharp edges. But I want a ...
2
votes
5answers
399 views

Is it safe to clamp an angle grinder and bring the work to the tool?

I’ve got a hand-held angle grinder (Makita LXT, 5”). I’m using a wire brush in it to finish a long thin bit of steel (rectangular profile, about 3ft long, 5x15mm tapering to 5x5mm - it’s a sword blade,...
2
votes
3answers
14k views

Difference between angle grinder and circular saw

From what I've read on google, angle grinders and (portable) circular saws appear to be quite similar. Aside from a circular saw being perhaps a bit larger and maybe having some supports on the bottom,...
2
votes
3answers
7k views

When cutting granite does a diamond blade need to be wet?

I have to make an 1/8 inch cut on a 6" strip of granite with an angle grinder and diamond blade. I am not worried about dust for such a small cut, but I do not want to break or chip the granite. Is ...
2
votes
4answers
13k views

Angle grinder 4 1/2" diamond blade with 7/8 in. with 5/8 in. insert included -what is the insert for?

I have a 4 1/2" angle grinder and I bought this blade because I need to cut some concrete bricks for my patio. With the blade I received a small disk that fits in the hole of the diamond disk and ...
2
votes
2answers
84 views

What kind of glove offers the best protection when using an angle grinder?

I wanted to start doing metalworking for a long time and I finally got an angle grinder of 4 1\2". I also bought the appropriate safety equipment face shield, some safety glasses and I'm planning ...
2
votes
1answer
796 views

How cut 4“ wide, 2” deep hole in concrete floor

I'm looking for advice on how to efficiently cut a rough hole about 4" diameter and 2" deep in a concrete floor. My tools are: a new 4.5" angle grinder with a diamond-cup grinding wheel and a diamond ...
1
vote
3answers
11k views

How to cut stainless steel sheet without burning it?

I need to cut out a small section of 1.5mm Stainless steel. Before, when I've made cuts I have used an angle grinder and its resulted in thr stainless becoming scorched/burnt and I can't remove it. ...
1
vote
1answer
1k views

Which way round do I mount an angle grinder wheel

The disc on this angle grinder was jamming against the guard. It has a recess in the centre, like this Should the hollow part be facing away or towards the open side of the grinder, or is the rule ...
1
vote
2answers
446 views

What’s the proper setup for mounting a tile cutting blade on a grinder?

I am attempting to determine the proper safe configuration for using a 4 1/2” tile cutting blade with my metabo hot angle grinder. I have seen lots of folks utilizing angle grinders with these cutting ...
1
vote
4answers
1k views

Will a thin or thick cutoff angle grinder wheel last longer?

If size of cut didn’t matter (not in a confined area), wouldn’t a thicker cutoff wheel last longer? I was comparing mainly between a 1/16 and 1/8 width wheel. I was trying to compare between cutoff ...
1
vote
1answer
203 views

How to remove/cut off a steel post in concrete

As part of some renovation work, I am taking apart a small enclosure on my driveway. Having removed the "walls", I'm left with seven (what look like) galvanised steel posts, embedded in the concrete ...
1
vote
0answers
49 views

Why is my Erbauer 230mm 110v Angle Grinder smoking from the upper body area?

When I turn my Erbauer 230mm 110v Angle Grinder on, the motor powers up, the gears turn and it all seems to work fine. After about 10-15 seconds it starts to smoke, but with no strange noise, and not ...
0
votes
2answers
250 views

Sand-blaster or angle-grinder to remove rust?

To remove the rust from my beloved barbecue pit, I am considering using an angle-grinder or renting a sand-blaster. Having never used either tool, there are several spots that look hard to reach with ...
0
votes
2answers
1k views

Cutting and sanding/buffing galvanized steel

I have 3/4" galvanized steel bars (hollow) that I bought from Lowes. I'm looking for a tool that will cut through them and sand/polish the cut surfaces smooth so that there are no metal burs or ...
0
votes
1answer
36 views

Grinder guard question - can I use a mix sizes?

Getting ready to cut off a metal pole that is set in concrete and figure the best way to get a flush cut is with a grinder. Only have a 6" guard for my cutoff blade, but have brand new 4 1/2"...
0
votes
1answer
45 views

Suggested power-tool and attachments to remove rust from a BBQ pit [closed]

Please suggest a good cordless power-tool and the appropriate wheels/attachments to do a good job of removing the rust from this BBQ pit? Please include links to the specific items if possible.
0
votes
1answer
137 views

Could my grinder cut a 3mm steel plate

I am thinking in building a circular washbasin mounted into a 3mm steel plate. To do it, I need to cut a circle on the plate. I don't have much, just a cheap 1250w grinder and the discs that came with ...
0
votes
1answer
63 views

Angle grinder brand (Not working)

How can I find out this angle grinder model/brand? The label has come off so I dont know the model. The grinder is not working and I believe it is the brushes, how can I know what brushes to buy if I ...