To get the lowdown on best 4.5 inch angle grinder, we’ve consulted top experts who has in-and-out knowledge about the 4.5 inch angle grinder.

An increasingly popular option is a Dewalt DW4910 4.5 inch angle grinder, which comes with amazing features you’ve never heard before. More than 398 verified buyers have rated this product 4.7 star on Amazon. It is undoubtedly the best 4.5 inch angle grinder available in the market today. However, if you don’t want to spend big on 4.5 inch angle grinder, then you should absolutely go for Hitachi G12SR4 4.5 inch angle grinder which comes with all the basic features one could expect in a 4.5 inch angle grinder.

While you’ll find 4.5 inch angle grinder that are less than $10, you’re far likelier to have problems with these models than somewhat more expensive 4.5 inch angle grinder. Generally, a good 4.5 inch angle grinder with desirable extra features will cost between $10 to $180.

If you are ready to choose a new 4.5 inch angle grinder, check out our recommendations for the best 4.5 inch angle grinder. But if you’d like to learn more about the various types of 4.5 inch angle grinder available and how to choose the right one for you, read on.

So here is our list of The 10 Best 4.5 inch angle grinder

1. Dewalt DW4910 4.5 inch angle grinder

DEWALT DW4910 3-Inch by 5/8-Inch-11 Knotted Cup Brush/Carbon Steel .020-Inch

By DEWALT

3″diameter for 4-1/2″ to 5″ angle grinders. Recommended for DeWalt angle grinder Nos.

  • DW400, DW402, DW814, DW458 and DW830
  • For heavy material removal

2. Hitachi G12SR4 4.5 inch angle grinder

Hitachi G12SR4 6.2-Amp 4-1/2-Inch Angle Grinder with 5 Abrasive Wheels

By Hitachi

The G12SR4 4 1/2″ Angle Grinder removes casting fin, finishes various types of steel, bronze and aluminum materials and castings, grinds welded sections, sections cut by means of an acetylene torch, synthetic resins, slate, brick and marble. With it’s small grip diameter, high output power and overload durability, it delivers great performance.

  • For quick and easy disc and accessory changes.
  • For improved control and comfort for right and left-handed users.
  • For comfortable, continuous operation.
  • For added value and protection.

3. Makita D-20105 4.5 inch angle grinder

Makita 10 Pack – 4.5″ Cut Off Wheels For Grinders – Aggressive Cutting For Metal & Stainless Steel/INOX – 4-1/2″ x .045 x 7/8-Inch

By Makita

Optimize your metal cutting work with these 10 Makita Premier 4-1/2″ Cutting Wheels for Metal and Stainless Steel such as rebar, steel pipe, structural & galvanized steel, sheet metal, structural tubing, black steel, cable and small to medium diameter solid pieces. When cutting, consider applying the proper amount of pressure at a 90 degree angle to allow the cutting wheel to do the work.

  • For best results, consider not pushing too hard on the wheel, which can cause the grinder to stall or kick back or give a less efficient cutting action, while also increasing the chances of slippage or loss of control of the tool, resulting in injury or damage
  • Applying light to moderate pressure and consistent movement will provide the most efficient cut and minimize heat build-up
  • Consider using light pressure and a consistent motion throughout the cut for the fastest cut-rate and prolonged wheel life
  • Excessive pressure through the cut causes increased friction and heat build-up, which can cause increased heat discoloration of the work piece and reduced wheel life
  • For demanding applications, higher amperage &/or torque angle grinders provide easier, long-lasting & efficient cuts

4. Metabo W9115 4.5 inch angle grinder

Metabo W9-115 8.5 Amp 10,500 rpm Angle Grinder with Lock-On Sliding Switch, 4-1/2″

By Metabo

Engineered for a broad range of grinding, cutting and deburring applications, the 4. 5″, 900 Watt W9-115 compact angle grinder features a smaller, ergonomically designed body for more comfort, a tool-free quick-positioning guard that allows for fast change-over from grinding to cutting, and a side-mounted slide lock-on switch.

  • The powerful Long Life 8
  • 5 Amp, AC/DC, 10,500 rpm motor includes advanced designs to optimize air flow for cooler operation and extend longevity in harsh environments
  • The S-Automatic Safety Slip Clutch helps to prevent kick back if a disc or wheel should jam

5. Metabo WP9115 4.5 inch angle grinder

Metabo WP9-115 Quick 8.5 Amp 10,500 rpm Angle Grinder with Non-locking Paddle Switch, 4 1/2″

By Metabo

Engineered for a broad range of grinding, cutting and deburring applications, the 4. 5″ 900 Watt WP9-115 Quick compact angle grinder features a smaller, ergonomically designed body with integrated non-locking paddle switch for increased safety and more comfort, the quickest wheel change system available, and a tool-free quick-positioning guard that allows for fast change-over from grinding to cutting.

  • The powerful Long Life 8
  • 5 Amp, AC/DC, 10,500 rpm motor includes advanced designs to optimize air flow for cooler operation and extend longevity in harsh environments
  • The S-Automatic Safety Slip Clutch helps to prevent kick back if a disc or wheel should jam

6. Bosch GWS10-45P 4.5 inch angle grinder

Bosch GWS10-45P Angle Grinder with Paddle Switch, 4-1/2″

By Bosch

The Bosch GWS10-45P 4-1/2-Inch Angle Grinder with Paddle Switch provides a multi-grip paddle switch for user control and comfort. It also delivers more power than previous-generation models – 10 amps and 11,500 rpm.

  • It has directed air flow that diverts dust away from vital components and it has direct-motor cooling, giving it higher overload capabilities
  • For operator comfort and control, it sports a two-position Vibration Control side handle, making it less jarring to run
  • It was designed for all-day jobs in machinery manufacturing, metal fabrication and construction
  • It has a burst-protection quick tool less adjustable guard and a large spindle lock for more convenient disc change
  • The Service Minder brushes stop the grinder when preventative maintenance is required

7. Makita D-18459 & D-20105 4.5 inch angle grinder

Makita 15 Piece – 4.5″ Grinding & Cut Off Wheel Set For Grinders – Aggressive Grind & Cut For Metal – 4-1/2″ x 7/8-Inch

By Makita

Save Time, Money and Simplify your Essential Metalwork with Makita’s Grind & Cut Set, getting the most work out of your Angle Grinder with the right amount of wheels for each action. Ideally suited to Cut & Grind All Metal, Steel and Stainless Steel parts including rebar, steel pipe, structural & galvanized steel, sheet metal, structural tubing, black steel, cable and small to medium diameter solid pieces over an extra-long life span.

  • This exclusive set includes Makita’s premium 10 Metal & Stainless Steel Cutting & 5 Metal Grinding wheels
  • Makita’s Premium Flat
  • 045″ Cutting Wheel is made from White Aluminum Oxide (WA), allowing for a tough, hard, dense and high temperature proof material which is engineered for reducing heat build up when cutting Stainless Steel (INOX)
  • Our 60 Grit Size allows for a balanced material removal while leaving a smoother straight cut finish
  • This hard cutting wheel is one of the hardest in the market and ideally suited for work cutting applications such as Stainless steel (INOX)

8. Makita GA4542C 4.5 inch angle grinder

Makita GA4542C SJSII High Power Angle Grinder, 4-1/2″

By Makita

The Makita 4-1/2″ SJSII High Power Angle Grinder (GA4542C) combines power, convenience, comfort and motor-protection features for longer-lasting industrial performance. It is ideal for cutting, grinding ferrous metal, paint and rust removal, shipyard maintenance, metal polishing, general steel grinding, auto repair work, cutting brick and masonry, restoration work and more.

  • The GA4542C is equipped with SJSII, a mechanical gear drive system to help prevent motor and gear damage by dampening the force on the gear when the wheel is forced to stop
  • SJSII is also features a leaf spring and cam gear drive mechanism that is engineered to reduce vibration for increased operator comfort during extended use
  • The 12 AMP motor delivers 2,800-11,000 RPM for versatility and maximum productivity
  • Labyrinth construction protects the motor with a complex set of channels, prohibiting dust and contamination from entering the motor
  • Additional protection features include a zig-zag epoxy applied to both sides of the armature coil and a powder-coating to the field

9. Makita D-21135 4.5 inch angle grinder

Makita 5 Pack – 4.5″ Cut Off Wheels For Grinders – Flush Cutting For Stainless Steel & Metal – 4-1/2″ x .045 x 7/8-Inch

By Makita

Engineered for Flush Cuts & Hard-to-Reach areas, these 5 Makita Depressed 4-1/2″ Cutting Wheels for Metal & Stainless Steel are a joy to work with. For best results, place wheel at a 90-degree angle, perpendicular to the work surface, applying the proper amount of pressure to allow the cutting wheel to do the work.

  • For best results, consider not pushing too hard on the wheel, which can cause the grinder to stall or kick back or give a less efficient cutting action, while also increasing the chances of slippage or loss of control of the tool, resulting in injury or damage
  • Applying light to moderate pressure and consistent movement will provide the most efficient cut and minimize heat build-up
  • Consider using light pressure and a consistent motion throughout the cut for the fastest cut-rate and prolonged wheel life
  • Excessive pressure through the cut causes increased friction and heat build-up, which can cause increased heat discoloration of the work piece and reduced wheel life
  • For demanding applications, higher amperage &/or torque angle grinders provide easier, long-lasting & efficient cuts

10. Dewalt DWE4214 4.5 inch angle grinder

DEWALT DWE4214 11 Amp Angle Grinder Slide, 4-1/2″

By DEWALT

The DEWALT DWE4214 4-1/2″ 11amp Angle Grinder Slide features an 11 Amp AC/DC 11,000 RPM motor designed for faster material removal and higher overload protection. It has a dust ejection system which provides durability by ejecting dust and debris particles that enter the tool through the air intake vents.

  • A low profile gear case allows access into tight spaces, and a quick-change wheel release allows tool free wheel removal
  • This grinder has a One-Touch guard that allows 360 degree rotation of the guard with a single action, along with a Lock-On slide switch provides increased user comfort in extended use applications
  • Matching wheel flanges allow the use of most common accessories

Hope this list of the best 4.5 inch angle grinder will be helpful for you. Feel free to contact us if you have any questions about our site or our reviews, and we will be happy to help you with your purchasing decisions in any way we can.

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Joel Townsend
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New York, NY 10112, United States
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Email: contact@bittasset.com

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Katherine Jonas
Katherine is an editor-in-chief at Bittasset. After getting graduated from Cornell University, she has worked with the brands like Target and Walmart and handled operations for more than 5 years. She loves to write about detailed product reviews.

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