What size angle grinder should I buy?
The size of the angle grinder you buy will depend on the size of the job you have. For example, a 7-inch grinder will cut through small pieces of wood in no time, but using that same grinder on a wooden beam will be more of a chore. Typically, the most common size of angle grinder is 4.5 inches, meaning it uses discs that are 4.5 inches in diameter.
What is the average weight of an angle grinder?
Angle grinders in this category have more powerful motors, ranging between 9 AMP and 12 AMP, meaning they deliver between 1080 and 1440 Watts at 120 Volts. Bigger motors mean heavier tools: with these grinders, we are at around 7 pounds. Let’s talk applications for a moment.
What size angle grinder to cut paving slabs?
Minimising dust when cutting slabs
- twisty New Member. I have about 30 450 x 450 slabs that will need cutting down in size to fit around walls etc on my new patio.
- timber ninja Member
- N. Green New Member. You could hire a petrol cutter. Then just trickle water on the disc, with a hosepipe. ...
- timber ninja Member
- N. Green New Member. Oh.. a bit late. ...
- twisty New Member
- Mr GrimNasty Active Member
How to choose an angle grinder?
How to Find the Best Angle Grinders
- Disc Types. Depending on the task you wish to complete, you may need more than one type of angle grinder disc. ...
- Motor Power. Many sizes of angle grinders are available, but typically, the size of the wheel increases as the motor power increases.
- Sizes. ...
- Durability. ...
- Ergonomics. ...
What is the best size of angle grinder for home use?
4” and 4 ½”The most commonly used sizes are the 4” and 4 ½”. These grinders typically have the capacity for wheel diameters of up to 7”, with particularly small versions having the capacity for 3” discs.
Should I buy a 4.5 or 5 angle grinder?
4 1/2” Angle Grinders are suitable for light duty tasks, or when access could be a problem. Due to the smaller size a 4 1/2” Angle Grinder will never be as productive as a 5” Angle Grinder. 4 1/2” Angle Grinders are also more compact which makes them easier to grip and manoeuvre for some applications.
Is a bigger angle grinder better?
A medium-sized angle grinder is expected to go faster than 8,000 RPM, while a larger angle grinder may generate around 6,000 RPM. However, the larger angle grinder will have far more power.
Which is better 4 inch or 5 inch angle grinder?
The price of 5inch grinding wheel is double that of inch grinding wheel. With the same motor power. so resultant is for 1/4 wheel extra , you are paying double. Also higher motor power gives you more round per minute and work is done faster, but since power is same as that of 4 inch machine, thus it's a negative.
How deep will a 4.5 inch grinder cut?
A 4.5 angle grinder has a blade that is 4.5-inches in diameter. This means the blade extends 2.25-inches for the center in each direction. As a result, it is not physically able to cut through 4 inch concrete. Select a larger grinder when a deep cuts are necessary, such as a 9-inch grinder.
How do I choose an angle grinder?
Things to consider when buying a grinder:Disc diameter – angle grinders with larger diameters take bigger discs that make deeper cuts.Wattage – higher wattage gives more power to cut through denser materials.Speed – multiple speeds give more control for precise work.More items...
What is a 7 inch angle grinder used for?
The 7 Inch Disc Angle Grinder (G18ST) deburs diecast products and finishes iron, bronze, aluminum, welds and torch cut surfaces. It can also be used to cut soft steel materials as well as grooving and cutting concrete and other stone materials.
How deep will a 125mm angle grinder cut?
38 mmAll 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.
How deep can a 9 inch angle grinder cut?
3"For example a 4" grinder can go as deep as an inch and a 9" grinder can go as deep as 3" depending on the angle/ position. This grinder is very powerful, a bit heavy but that's to be expected for a unit this size.
How deep will a 230mm angle grinder cut?
64mmThe 230mm ANGLE GRINDER: for heavy-duty grinding, facing and cutting masonry and metal. As a cut-off machine it has a 64mm (2.5in) depth of cut.
Can I use 5 inch disc in 4 inch angle grinder?
Due to the disc diameter they are designed for, a 5" disc won't fit inside the shroud on a 4" grinder. You would need to remove the shroud, which is there for SAFETY. Smaller grinders generally run at higher speeds, and grinding discs are rated for a maximum speed.
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 size disc to use to cut wood beam?
For example, when you try to use a 4.5-inch disc to cut through a wooden beam, it will definitely be a chore, but with a 7-inch disc, it will be easy.9-inch grinders were popular and preferred for heavy duty tasks, but were outlawed because they caused too many accidents.
Is it better to start with a smaller grinder or a bigger one?
For beginners, it is better and safer to start with a smaller grinder, then as you keep getting better, you can upgrade. On the other hand, for professionals, they can use the larger grinders, such as the 7-inch angle grinders as they can handle the more advanced features.
Can an angle grinder cut through wood?
Most angle grinders can cut through wood, although if the piece of wood is thick, smaller angle grinders will be difficult to use for this. With other materials, such as stone or concrete, small angle grinders may not be the best choice. This is because such materials are strong and thick.
Is it safe to use an angle grinder?
No matter the size of the angle grinder, it is paramount to observe safety first. Always have safety gear on when grinding, polishing, sharpening or cutting surfaces in order to avoid any accidents. Clearly, choosing an angle grinder is not that complicated.
Can an angle grinder spin faster?
This means that even though a 5-inch angle grinder can spin faster, a 7-inch angle grinder with a higher amp motor can be fast, if not faster than the smaller disc with a lower amp motor.
Can you cut concrete with an angle grinder?
Although various concrete cutting saw are avalible , angle grinder is the most convenient tool for small concrete cutting work. Besides, a angle grinder are usefull for cutting tiles, bricks, granite, marble and other meterials.
How many amps do I need in an angle grinder?
Grinders can range from 6 amps on the low end to 10 amps — which is more common — to even 15 amps.
How many watts is angle grinder?
Voltage, amp rating and wattage of an angle grinder may vary. While focusing on current, the output for a grinder which has a rating between 110 and 230 volts AC and the keep the wattage in a range between 500 to 2,500 watts.
How deep can a 9 inch grinder cut?
For example a 4" grinder can go as deep as an inch and a 9" grinder can go as deep as 3" depending on the angle/ position.
What size meat grinder do I need?
The most common sizes for home uses are #5, 8, 12, 22, and 32. The following chart shows what the industry standards for grinder sizes. A smaller grinder will have a smaller feeding tube, while a larger one will have a larger feeding tube. A smaller size will also have less power than a larger one.
What can you do with an angle grinder?
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.
Why is it called an angle grinder?
There are conflicting stories about who actually invented the angle grinder. One story is that it was invented in 1954 by a German company named Ackermann + Schmitt. An angle grinder, also known as a disc grinder or a side grinder, is a hand held power tool used for polishing, cutting and grinding.
What size angle grinder do I need?
Angle grinder size comes in a variety of sizes. But don’t get confused because there are only 3 sizes, namely the 4.5-inch, 7-inch and the 9-inch you could best choose from.
How many volts does an angle grinder use?
This angle grinder size usually runs at 230 to 240 volts and it is available in a variety of amps and power. It generally needs a higher voltage because it has a large motor which enables it to be used for heavy grinding work both for concrete and metalwork purposes.
Why is it important to know the wattage of an angle grinder?
Knowing the angle grinder wattage is very important because it enables you to identify how much energy the grinder needs for the tool to run its motor efficiently.
How fast can an angle grinder spin?
The power of an angle grinder is not only based on how fast its disc can spin but also on the capacity of its motor. For example, a 4.5-inch grinder may have 10000 rpm which makes it a perfect grinding companion for small metal grinding work. However , the 9-inch grinder can run at only 6,000 rpm but can still do much work on a larger scale.
What metals can angle grinders cut?
It can deal with bronze, aluminum, iron, die-cast metals and can also cut softer steel as well as concrete and any type of stone materials. With a greater angle grinder wattage, this could provide you an increase in performance with high overload durability.
Why is a 9 inch grinder bigger?
Because the 9-inch grinder has a bigger and more powerful motor and a larger disc capacity so it can finish more workfaster . Obviously, the bigger the motor, the bigger the grinder and the more work you can finish with it.
Is the 9 inch motor lighter than the 9 inch motor?
More compact than the 9-inch, it is also lighter but the size of its motor can deliver better performance even on tougher jobs. It is, therefore, the better choice for construction workers, plumbers, electricians, HVAC, tile workers, and welders.
