6 Affordable Pneumatic Grinders You Can Find At Harbor Freight

Power grinders are a diverse and incredibly useful group of tools. While many people are familiar with some of the most common types of grinders, like die grinders and angle grinders, in reality, there are many different types of power grinders, each with varying functions and applications. Some of the most common uses for grinders include things like smoothing rough surfaces, sharpening blades, and removing material like paint or varnish. However, those applications really only scratch the surface when it comes to the things you can do with these multi-use tools, and any tradesperson, DIYer, or home improvement enthusiast can benefit from having one or two solid grinders in their collection.

Unfortunately, power tools can be pricey. Pneumatic tools, like air-powered grinders, tend to have inflated price tags in comparison to basic hand tools, and many people choose not to invest in these devices for that reason. Fortunately, though, not all pneumatic grinders have to cost an arm and a leg. Harbor Freight, the store known for its budget-friendly tool deals, is a great place to shop for economically priced tools, including air grinders. The store stocks everything from tools for DIY projects to quality devices for home landscapers, and it provides an easy-to-understand price plan based on product quality. We checked out the site and found six affordable pneumatic grinders that cover a variety of hobbies and projects, and we based our selection on price, product features, and user reviews. So, from die grinders to belt sanders, here are six affordable air grinders that you can find at Harbor Freight.

Die grinders represent one of the most basic and common types of power grinders. They're a common sight in the toolboxes of various professionals and hobbyists, and their primary uses include things like buffing rough surfaces, grinding, polishing, and sanding. Die grinders are similar to rotary tools in that they work using a grinding wheel attached to the end of a rotating spindle, but they're significantly more powerful and versatile than basic rotary craft tools.

The Central Pneumatic ¼ in. Compact Die Grinder, available at Harbor Freight, comes with an affordable price tag and could be a solid addition to any professional or hobby toolkit. The tool is designed to be compact for close-quarters use and tight work spaces, while the rear exhaust is engineered to avoid blowing material shavings and dust into your face as you operate the grinder. It features a ball bearing construction built to stand up to demanding work conditions and a lightweight aluminum die-cast housing for durability. The paddle trigger makes for easy operation, even in awkward work conditions, and the product weighs less than one pound overall, helping eliminate fatigue during extended use. The Central Pneumatic compact die grinder costs $19.99 and features 4.4 out of 5 stars based on more than 250 customer reviews.

Angle die grinders are a combination of regular angle grinders and standard die grinders. While angle grinders are typically used for cutting material or polishing, buffing, and sanding, angle die grinders are more ideal for deburring, buffing, and sanding — not for cutting. Why would you use an angle die grinder instead of a regular die grinder? Sometimes, it's impossible to get the right positioning using a standard die grinder. Plus, angle die grinders are much more comfortable to use when buffing and sanding flat surfaces with certain types of attachments. While standard die grinders are great for use with conical attachments, angle die grinders are often much better for use with flat buffing wheels.

The McGraw ¼ in. Angle Die Grinder could be a solid buy for DIYers or anyone who works in the trades. Featuring a ¼-horsepower motor, the tool is capable of delivering up to 20,000 RPM to make easy work of various projects and tasks. It's built with a durable aluminum die-cast housing that's designed to stand up to tough working conditions, while its compact size allows you to knock out projects in tight, cramped spaces where other devices won't fit. The tool features a front-facing exhaust to prevent blowing dust and shavings into your face, and a comfort grip to reduce vibration and fatigue during long working hours. The McGraw angle die grinder costs $24.99 and features 4.8 out of 5 stars based on nearly 100 Harbor Freight customer reviews.

Belt sanders are highly useful tools, but they're also less well-known than devices like angle and die grinders. The primary uses for belt sanders include things like sharpening and manufacturing knives and other blades, deburring things like pipes, and polishing various surfaces. They work using a long, thin abrasive belt attached to a motor, and while many are stationary, you can also find portable belt sanders for various projects and tasks.

The Central Pneumatic ⅜ in. Belt Sander, available at Harbor Freight, comes with a surprisingly affordable price tag and could be a handy addition to any tool kit. Designed to get into hard to reach places, the Central Pneumatic belt sander features a long ⅜-inch-wide belt, ideal for deburring materials in tight spaces and finishing surfaces for various projects. It features a multi-position belt capable of rotating 360 degrees and a high-speed motor capable of spinning at up to 18,000 feet per minute. The tool is constructed with a heavy-duty aluminum die-cast housing to provide reliable, durable service, while the paddle throttle makes for easy control and operation. It features a built-in regulator and an easy-to-adjust belt mechanism, while the $24.99 price tag makes the grinder accessible for both pros and casual DIYers. The product is well-rated by Harbor Freight customers and features 4.1 out of 5 stars based on more than 350 user reviews.

Jitterbug orbital sanders are another type of less well-known power grinder. Many people are familiar with standard orbital sanders and circular random orbital sanders. Jitterbug orbital sanders are similar, but are usually rectangular instead of circular like regular random orbital sanders and work using irregular movements to prevent leaving lines and swirls on your projects. They're typically used for finishing surfaces on things like furniture or counter tops, and for performing auto body repair work.

The Central Pneumatic Jitterbug Orbital Air Sander from Harbor Freight may be worth considering for anyone who performs auto body work, carpentry, or various other hobbies and tasks. The tool is advertised as ideal for working on car body panels and finishing furniture, and it features a vibration-free design for fatigue-free work, capable of providing up to 9,400 orbits per minute. The compact palm grip is designed to enable work in tight spaces, while a paddle trigger allows you to control the device with ease and precision. The tool comes with a built-in regulator and a fully shielded radial bearing for durability and long-lasting performance. The Central Pneumatic jitterbug sander costs $39.99 features 4.2 out of 5 stars based on nearly 150 Harbor Freight customer reviews.

Due to the name, we often think of power grinders as aggressive tools used to remove material and smooth surfaces. While grinding is, without a doubt, one of the primary applications for these devices, it's not the only thing you can do with these tools. As mentioned, power grinders represent a diverse group of gadgets with varying uses, and one of the most common secondary applications for power grinders and sanders is polishing. Polishing is not the same as grinding. While the act of grinding is intended to remove material or smooth rough surfaces, polishing is much more gentle and is intended to make already smooth surfaces shinier and glossier.

The Central Pneumatic 3 in. Air Polisher Kit is designed for tasks like buffing your car's paint job and finishing various hobbies and projects, and it can be a solid buy for home mechanics, DIYers, and anyone who likes doing crafts. Ideal for automotive body detailing, the kit features a pneumatic polisher with ergonomic pistol grip, two foam buffing pads, and one wool polishing pad to help you knock out your weekend car washing projects and various other tasks. The tool features a rear exhaust vent and a compact motor. The hook and loop attachment mechanism makes switching out polishing pads quick and simple, while the 1.53-pound weight makes the device easy to use, even for extended periods. The Central Pneumatic air polisher kit costs $29.99 and features 4.4 out of 5 stars based on nearly 300 user reviews.

Random orbital sanders are a popular type of power grinder. They usually have a circular shape and work using irregular, random movements to prevent leaving marks on your projects. They're ideal for finishing surfaces as part of carpentry projects, and they can be used for everything from smoothing counter tops to removing old paint and, depending on the attachment, polishing finished projects.

The McGraw 6 in. Random Orbit Air Sander is a relatively new product at Harbor Freight and one that could make a solid addition to any DIY toolkit. The small orbit tool features a 3/32-inch orbital pattern, ideal for fine, detailed finishes. The description claims it won't leave swirls or marks on your projects, making the tool optimal for anything that requires a smooth, shiny finish. It features an ergonomic grip handle for enhanced comfort during lengthy tasks, and a lightweight body to prevent hand and arm fatigue during extended sanding sessions. The tool has an adjustable speed regulator to help you refine and control your work, while the rotatable exhaust vent helps you keep dust and debris out of your face. The McGraw random orbit sander costs $39.99 and features 4.5 out of 5 stars based on various verified Harbor Freight customer purchases.