Best Variable Speed Bench Grinders in 2018

Variable speed bench grinders are hard to find, but these tools are some of the most sought after by diehard shop fanatics. Offering users the ability to control every aspect of the output gives you the best product possible which is something that all metal fabricators, welders, automotive, and other professions should consider.

Variable speed features help produce the best end-product possible and if you’re looking to put the finishing touches on any project it’s a must-have. The amount of control you get is something you just won’t find without it and allows you to sharpen, sand, and grind your way while delivering superior results.

If you’re reading this then you already know what you want, and we’ve made it easier than ever with the following review of the Best Variable Speed Bench Grinders in 2023. This unbiased review accounts for everything from the user’s perspective and breaks down why these power tools are a must-have for enthusiasts and experts alike.

1. Delta Power Tools 23-198 6-Inch Variable Speed Grinder with Tool-Less Quick Change – 7.7

Delta Power Tools 23-198 6-Inch Variable Speed Grinder with Tool-Less Quick Change Review



  • Available with warranty
  • Compact design
  • Sturdy structure
  • Reasonable price
  • Powerful motor


  • May heat up, when used for an extended period
  • Not suitable for heavy-duty grinding

Delta Power Tools proves once again why they’re one of the biggest names in power tools, this time with a 6-inch variable speed bench grinder made to last. Offering the best in build quality which is something we’ve come to expect from all Delta Power Tools which gives you a tool-less quick-change operation which makes for simple, and time-saving disc changes.

The Delta Power Tools 23-198 is affordably priced and is recommended to take on sharpening all types of material with ease. Giving you variable speeds from 2,000 to 3,400-RPM you can dial in precise speeds for optimal precision and includes a 36 and 60 grit grinding wheel. Other features include two safety shields, rubber feet, and durable cast iron construction.

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2. Delta Power Tools 23-197 8 Inch Variable Speed Bench Grinder – 7.4

Delta Power Tools 23-197 8 Inch Variable Speed Bench Grinder Review



  • Available with Warranty
  • Durable and sturdy construction
  • Long-lasting investment
  • Reasonable price
  • Easy to use


  • Wheels are not aligned well

Deserving the 2nd spot in this review is another Delta Power Tools grinder which also gives you variable speeds. This tool is available in both a 6 and 8-inch model and comes in aggressively priced which bodes well for consumers. Highlighted by a simple to use variable speed control system allowing you to dial in 2,000 RPM to 3,400 RPM with ease.

This grinder is one of the most efficient variable speed bench grinders out there highlighted by a 5 Amp induction-type motor delivering superior performance. Onboard you’ll find a tool rest with a drill bit mesh embeded into it helping you get the perfect angle every time. The two-piece tool rest is fully adjustable which helps offset any wheel wear you see common after rigorous use.

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3. Porter-Cable pcb575bg 8-inch Variable Speed Grinder with Work Lamp – 7.4

Porter-Cable pcb575bg 8-inch Variable Speed Grinder with Work Lamp Review



  • Variable speeds allow work comfort
  • Comes essentially fully assembled
  • Wheels are fully changeable
  • Has a lamp to allow you to work outside even at night
  • Medium and coarse wheels can be removed when buffing tools


  • Lamp does not come with a bulb
  • Lamp is not very stiff and so keeps flopping around

This Porter-Cable variable speed bench grinder boasts a price you wouldn’t expect which comes in significantly less then the competition. This grinder packs it all in for much less then suggested which includes a work lamp which illuminates the work area offering you optimal lighting. This 8-inch model allows you to sharpen and grind with precise results allowing you to change the speeds from 2000 to 3400 RPM.

The simple to use operation significantly improves and stability when compared to most. Highlighted by a cast iron base which minimizes any vibration during use and for ease of mounting to a bench or stand there’s mounting holes. Other features include the 40-watt lamp, quench water tray that’s removable and a 36 and 60 grit disc.

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4. Porter-Cable PCB525BG 6-Inch Variable Speed Bench Grinder with Work Light – 7.3

Porter-Cable PCB525BG 6-Inch Variable Speed Bench Grinder with Work Light Review



  • Very quiet and smooth
  • Has a work lamp
  • Safety gears provided
  • Removable quench tray allows the machine to cool down
  • Long lasting


  • Lamp does not stay fixed in one place
  • Bulb for the lamp not included

For those looking for a smaller variable speed grinder which still delivers superior results, then the 4th option in this review is for you. This Porter-Cable grinder has become one of the best selling variable speed models on Amazon and is backed by all-positive consumer reviews. User’s have raved over its performance and delivering great lighting with an onboard 40-watt work lamp.

The Porter-Cable PCB525BG is a 6-inch grinder and allows you to adjust the speed from 2,000 to 3,400 RPM. This type of precision helps you get perfect results and is perfect for sharpening and grinding. Notable features include a die cast aluminum tool rest, 36 and 60 grit wheels, and quench cooling tray that’s removable.

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5. Craftsman 8-Inch ½ HP Variable Speed Bench Grinder – 7.2

Craftsman 8-Inch ½ HP Variable Speed Bench Grinder Review



  • Adjustable speed settings
  • Powerful motor
  • Sturdy construction
  • Stable performance
  • Reasonable price


  • Users may find it hard to assemble

Craftsman has become a household name and their rendition of this 1/2HP variable speed grinder is sure to please. Affordable, durable and high-quality are some of the properties that come to mind and outfitted with a flexible work light with an on/off switch you get plenty of light to illuminate your immediate work area.

This Craftsman delivers superior results while offering users more control. The variable speed ranges from 2000 to 3450 RPM with other features including a quick-change feature which makes changing the discs simple, and takes less time. This grinder is a must have for any workshop and won’t cost you a fortune to get it.

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When looking at the best variable speed bench grinders this year it’s easy to see why they standout. When comparing them with others, they offer the best in-class performance while optimizing delivery with more control when compared to most and are all affordably priced.

If you have any further questions, why not leave us a comment below.