I always go for 125mm, I have found a few places that sell both size discs for the same money, So i’m getting a bit free, I spring and rewelded the guards on both my Makita’s to take the 125mm. A good big’n is always better than a good litt’l’n.
Which angle grinder suits you best, depends on a number of things.
Cutting or grinding something that seems not accessible to the grinder means you need to use a different tool. Another genius friend thought a grinder is a great tool to sand the wooden floor of his front porch. “My son in law, was helping his friend replace an old fence with a colorbond fence. Having seen me doing this a few times, he felt full of confidence. Borrowed my 9” grinder to cut the old fence post off … For some unknown reason he thought that cutting from right to left was the way to go so proceeded to reposition the left hand handle on the top and was cutting with right hand on the dead man switch and left hand on the vertical handle cutting from right to left the post at ground level.
Here’s our guide to selecting the right grinder for your job. Used for metalworking and finishing work, the disc of a straight grinder is mounted in the opposite way to that of an angle grinder. Whether you are grinding, cutting, deburring or sanding, no material is able to stand up to a grinder.
Below is a specification comparison between a Metabo 4 1/2″ Angle Grinder and Metabo 5″ Angle Grinder. “In a comparison test, we used a Metabo 4 1/2″ Angle Grinder against a Metabo 5″ Angle Grinder with the same bond Speedgrit 1.6mm cutting discs. Measurement Metric 4 1/2″ Angle Grinder 5” Angle Grinder In house cutting test results cutting 150mm x 8mm mild steel flat and 1.6mm discs 3 cuts 6 cuts 100% greater consumable life Average time per cut 67secs 55 secs 21.8% faster cutting speed.
Below we have listed some top uses for angle grinders as well as the discs you should use for each application. Angle grinders spin at magnificent speeds, so with the correct cutting disc fitted, you can use them to cut through pipes, metal, tile, stone and more. Angle grinders can also be used for polishing metal thanks to their high RPM. The main tool for doing so is a flap disc or wire wheel.
angle grinder 115 or 125 Related Question:
What is the difference between 115 and 125 grinder?
All in all, 125mm angle grinders are extremely versatile tools despite their limited cutting depth of just 38 mm. While 115mm angle grinders offer a maximum cutting depth of only 30 mm, they are precise, easy to handle and lighter than larger versions.
What size angle grinder is the best?
A smaller 115mm angle grinder means a more versatile power tool. With a smaller cutting disc you get a greater level of precision, so if you’re wanting to be able to trim tiles to shape, sharpen blades, or cut and grind more intricate stone and metalwork projects, we’d suggest a 115mm grinder.
How powerful should an angle grinder be?
for grinding: 1,000 watts. for cutting through simple materials: 1,500 watts. for cutting through strong metals: 2,500 watts.
What size angle grinder blade do I need?
The size of the disc should have a direct bearing on your choice of angle grinder. The two most common disc sizes are 4.5” (115mm) and 9” (230mm). Grinders with larger discs are particularly well suited to heavy-duty applications, whereas those with smaller discs are ideal for finer work.
Will an angle grinder cut slabs?
Chalk or a pencil. A workbench. Four C-clamps (to secure the slab in place) Power saw or angle grinder with a diamond-tipped blade made specifically for stone or masonry (this is important as blades made for wood will become dull almost immediately)
Do all angle grinder discs fit?
Angle grinders discs are interchangeable, which means you can select the specific size of disc for your grinder and the specific type of disc for the type of material you are looking to cut or grind. There is a wide range of different types of discs available for an angle grinder.
What is the best 125mm angle grinder?
As a result of all these factors, the Makita DGA504Z LXT 18V 125mm Brushless Angle Grinder is our top pick as the best overall angle grinder. Powered by an 18V lithium-ion battery, the DGA504Z offers 8,500rpm no-load speed and everything you need to get the job done.
How do I choose an angle grinder disc?
depends on the type, shape and thickness of the steel that needs to be cut. For standard everyday jobs on either stainless or mild steel using an angle grinder, choose a 1mm or 1.6mm thickness in your disc. For projects that involve thin metal such as sheet metal, choose a 1.0mm or 0.8mm thinner cutting disc.
Do amps matter on an angle grinder?
Amps indicate the power that the motor draws during use and generally indicates the size and power of the motor (higher is “better”). I personally think a well built tool with the features I want and which is comfortable for me to hold and use is more important than the amp rating.
Can I use bigger disc on angle grinder?
Fitting a 14 inch (356 mm) cut-off disc to a 9 inch (230 mm) angle grinder will increase the edge speed excessively to at least 120 m/s (430 kmph). The photograph below shows an angle grinder with the wrong size cutting disc fitted and the guard removed.
What is arbor size on angle grinder?
“The “standard” spindle (sometimes called the “arbor”) thread these days on a angle grinder in the US is 5/8-11 (5/8″ diameter and 11 threads per inch).
What is a 9 inch grinder used for?
Angle grinders are versatile tools that can grind metal and cut tile, stucco and pavers, rout out mortar, plus they can sand, polish and sharpen. Learn to use an angle grinder to cut tile, mortar and pavers; make quick work of rust and loose paint removal; sharpen blades and cut or grind steel.
What is a 100 angle grinder?
4′ (100mm) angle grinders, as the name suggests, accept grinding discs up to 100mm in size. These grinders are relatively small in size, and are suitable for smaller jobs. The size of disc that the grinder can accept dictates the depth of cut that the grinder can achieve.
Can I cut concrete with an angle grinder?
Concrete cutting is a common task at the construction area, such as cutting concrete floor, concrete wall, concrete slabs and concrete pavers. Although the various concrete cutting saw is available, an angle grinder is the most convenient tool for small concrete cutting work.
Can I use an angle grinder on concrete?
An angle grinder can be used to level, smooth and polish concrete by grinding it down. They can also be used to remove paint and floor adhesives. To grind concrete with a angle grinder you need a diamond cup wheel, a dust shroud attachment, and a vacuum cleaner.