Offering the ideal blend of performance and durability, pneumatic angle grinders are ideally suited to cutting and shaping metal workpieces. Pneumatic grinders require connection to suitable air compressor units they are well-suited to high-precision tasks and are considerably lighter in weight than other angle grinder models. The unique disc angle can make straight grinders a better choice than the standard angle grinder in some instances.
Of the different types of powered grinders available, the angle grinder is probably the most common and widely used. Angle grinders fitted with the appropriate disc can be used to grind and cut metal or stone. The smaller angle grinders operate at higher speeds – 4½ inch grinder will typically operate at 10000 rpm whereas a large 9 inch grinder will rotate at only 6500 rpm.
Smaller angle grinders usually have a higher RPM than larger angle grinders, which in turn means the small discs get worn out quicker than a large disc would. Perhaps the most common question we receive about angle grinders is what disc should be used for particular jobs. The cutting capabilities of the angle grinder isn’t the only factor you should consider as there are other features which will determine how easy-to-use and comfortable a particular angle grinder will be.
Get the most out of your angle grinder by using different types of angle grinder wheels. The most apparent disc and probably the most popular one among different types of angle grinder discs is the grinding disc. Similar to other angle grinder discs, wire wheels are produced in different shapes and sizes because they are used for different purposes.
angle grinder disc sizes Related Question:
Do all discs fit all angle grinders?
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.
How are angle grinder discs measured?
Angle Grinder Wheel/Discs The hardness and smoothness of a grinding disc is measured by grit. Just like sandpapers, a lower grit number in a grinding disc means it is coarse and a higher number means the grinding wheel is less coarse.
What are the four standard sizes of angle grinders?
Common disc sizes for angle grinders in the United States include 4, 4.5, 5, 6, 7, 9 and 12 inches, while in Europe most common sizes for angle grinder discs are 115 and 125 millimeters. Discs for pneumatic grinders also come much smaller.
What size of angle grinder do I need?
When you begin to look at angle grinders, you will need to decide on what size disc you will require, with the two most common sizes being 4.5” (115mm) and 9” (230mm). The size of the disc determines the depth of the cut possible, so larger jobs will require larger discs.
What is the most popular size angle grinder?
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.
Can I use a larger disc on an angle grinder?
Discs are not designed for the higher speed, and if used, risk the possibility of the disc shattering and striking the user and others. Unsafe 230 mm (9 inch) angle grinder with 356 mm (14 inch) disc fitted and guard removed.
What is Type 27 cut off wheel?
A Type 27 Cut Off Wheel is often referred to as a depressed center wheel. The mounting hardware is in the depressed center, allowing for flush cutting. The Type 27 Cut Off Wheel must be used with an appropriate guard and a depressed center back flange. The center hub protects the user from cutting too deeply.
How deep will a 115mm angle grinder cut?
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 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 disc bore size?
The bore measurement means the size of the hole in the saw blade, this should match the boss/spigot on the saw clamping collars on your machine. If your m/c has a smaller diameter fitting it may be possible to adapt by fitting the adaptor washers supplied with the blades.
What is the difference between a cutting disc and a grinding disc?
Clue is in the title, a cutting disc is thin and used for cutting and a grinding disc is much thicker and used for grinding not cutting.
What is the difference between a disk grinder and an angle grinder?
The most significant difference between the two is the fact that Disc grinder is a solid piece of machinery, whereas an angle grinder is a handheld and portable in nature. Also, an angle grinder is used for rough cutting and grinding, whereas a disc grinder is usually used for precision work on smaller workpieces.
How long does a grinding disc last?
1 – Cutting and Grinding Discs Have Expiry Dates. This date is generally printed on the centre ring and is at a maximum three years from the manufacture of the disc. On smaller discs which lack a ring, this date may be printed on the label or even the disc itself.
What do you use a small angle grinder for?
An angle grinder is a handheld power tool that can be used for a variety of metal fabrication jobs that include cutting, grinding, deburring, finishing and polishing. The most common types of angle grinders are powered by electricity; either corded or battery powered.
Can you use a 4 wheel on a 4.5 grinder?
No, you can’t use a 4″ wheel on a 4 1/2″ angle grinder – 4″ uses a 5/8″ diameter hub, while 4 1/2″ and 5″ use a 7/8″ diameter hub.
