DEWALT DW758 vs. Jet JBG-8A: Grinder Face-Off!

Looking to upgrade your workshop with a high-quality grinder for your projects? In this comparison, we’ll take a closer look at two popular options: the DEWALT Grinder DW758 and the Jet JBG-8A Grinder. We’ll explore their key features, performance, and overall value to help you make an informed decision on which grinder best suits your needs. Let’s dive in!

Precision Grinding

DEWALT Grinder DW758
DEWALT Grinder DW758

The DEWALT Bench Grinder DW758 delivers superior power with its 3/4 HP motor running at 3,600 RPM, ideal for industrial grinding tasks. Built to last with a rugged cast iron base and housing, this 8-inch grinder offers precision and durability for high-speed material removal.

Precision Grinding

Jet JBG-8A Grinder
Jet JBG-8A Grinder

The JET 8-Inch Bench Grinder is a robust and durable tool designed for variable grinding with fine and coarse vitrified wheels. Featuring solid construction with pre-lubricated ball bearings and rubber mounts for stability, this grinder ensures both safety and longevity, meeting strict CSA standards for added peace of mind.

DEWALT Grinder DW758

Maximum Rotational Speed
3600 RPM

3/4 HP

Cast Iron

Power Source
Corded Electric

Warranty Description
1 Year Full Warranty

Jet JBG-8A Grinder

Maximum Rotational Speed
3450 RPM

0.5 HP

Alloy Steel, Cast Iron

Power Source

Warranty Description
2 Year Warranty

DEWALT Grinder DW758

  • Runs smoothly and quietly
  • Strong motor
  • Powerful with low vibration

Jet JBG-8A Grinder

  • Very smooth running with no vibrations
  • High RPM for powerful performance
  • Well-built and durable

DEWALT Grinder DW758

  • Vibration issues leading to unbalanced wheels which affect performance
  • Thin steel gauge of wheel guards may strip threads during tightening

Jet JBG-8A Grinder

  • Some users experienced a wobble in the wheel upon initial use
  • The high RPMs may cause issues with the machine when using certain attachments, such as a wire wheel

Comparison chart

DEWALT Grinder DW758 vs Jet JBG-8A Grinder
DEWALT Grinder DW758
Jet JBG-8A Grinder
Motor Power
3/4 HP
1/2 HP
Yellow, Black, Gray
Wheel Size
8 inches
8 inches
Tool Rest
3-year limited
2-year limited


  • USPs:
    • Powerful 3/4 HP motor for heavy-duty grinding.
    • High 3,600 RPM for faster material removal.
  • Pros:
    • Durable construction.
    • Adjustable tool rests for precise work.
  • Cons:
    • Higher price point.
    • Limited warranty compared to JET.
  • Use-Cases:
    • Ideal for professional workshops.
    • Great for tasks requiring high power and speed.


  • USPs:
    • Reliable 1/2 HP motor suitable for most grinding tasks.
    • Solid 2-year limited warranty.
  • Pros:
    • Good value for the features offered.
    • Adequate power for general use.
  • Cons:
    • Slightly lower RPM than DEWALT.
    • Limited voltage compatibility.
  • Use-Cases:
    • Perfect for home workshops or hobbyists.
    • Suitable for light to medium grinding jobs.

Conclusive Assessment:Based on the comparison, if you prioritize power and speed, the DEWALT DW758 is the clear winner. However, if you are looking for a reliable grinder at a better value with a solid warranty, the JET JBG-8A is a great choice.

Final Summary: For heavy-duty tasks demanding high power and speed, opt for the DEWALT DW758. For general use, hobbyist projects, or a good value purchase, the JET JBG-8A is a reliable option with a better warranty. Your choice depends on your specific needs and budget considerations.

Comparing Bench Grinders: DEWALT DW758 vs. Jet JBG-8A

Key Factors to Consider

When comparing bench grinders, it’s essential to evaluate several key factors to determine which product best suits your needs. Here are some general guidelines to consider:

  • Power and Speed
    • Motor power (in horsepower)
    • Rotational speed (in RPM)
  • Wheel Size and Material
    • Diameter and thickness of grinding wheels
    • Wheel material (aluminum oxide, silicon carbide, etc.)
  • Safety Features
    • Eye shields
    • Tool rests
    • Spark deflectors
  • Build Quality and Durability
    • Construction material (cast iron, steel, etc.)
    • Overall sturdiness and stability
  • Additional Features
    • LED work lights
    • Variable speed control
    • Dust collection ports
  • Price and Warranty
    • Initial cost
    • Warranty coverage and customer support


  • Power: 3/4 HP
  • Speed: 3,600 RPM
  • Wheel Size: 8 inches
  • Safety Features: Eye shields, tool rests
  • Build Quality: Heavy-duty cast iron base
  • Additional Features: Precision-machined aluminum tool rests
  • Price: Mid-range
  • Warranty: Limited 3-year warranty

Jet JBG-8A

  • Power: 1 HP
  • Speed: 3,450 RPM
  • Wheel Size: 8 inches
  • Safety Features: Adjustable eye shields, spark deflectors
  • Build Quality: Industrial-grade construction
  • Additional Features: Cast iron wheel guards, large eye shields
  • Price: Higher-end
  • Warranty: Limited 2-year warranty

By comparing these key factors between the DEWALT DW758 and Jet JBG-8A bench grinders, you can make an informed decision based on your specific requirements and budget.

Common Bench Grinder Questions

Can bench grinders be used for sharpening different types of tools?

Yes, bench grinders can be used for sharpening different types of tools. The DEWALT Bench Grinder and the JET 8-Inch Bench Grinder models you mentioned are suitable for sharpening various tools such as chisels, drill bits, knives, and more. It’s essential to use the correct grinding wheel and proper technique for each specific tool to achieve the best results. Always refer to the manufacturer’s guidelines for safety and usage instructions.

How to choose the right size bench grinder for my needs?

When choosing the right size bench grinder for your needs, consider the following factors:

  1. Wheel Size: The 8-inch bench grinder is suitable for a variety of grinding tasks and is a popular choice for many DIY enthusiasts and professionals.
  2. Motor Power: The DEWALT 8-inch bench grinder has a 3/4 HP motor, while the JET 8-inch bench grinder has a 1/2 HP motor. Higher horsepower motors provide more power for heavy-duty tasks.
  3. Speed: The DEWALT grinder operates at 3,600 RPM, while the JET grinder runs at 3,450 RPM. Higher speeds are better for grinding tasks that require precision and efficiency.
  4. Voltage: The JET grinder operates at 115V, making it suitable for standard home electrical outlets.

Ultimately, the right size bench grinder for your needs depends on the type of projects you will be working on and the level of power and precision required. Consider these factors when making your decision.

Which grinder is better for heavy-duty grinding tasks?

The JET 8-Inch Bench Grinder, with its higher RPM of 3450 and 1/2 HP motor, is better suited for heavy-duty grinding tasks compared to the DEWALT Bench Grinder with 3/4 HP and 3,600 RPM. The higher RPM and slightly lower HP of the JET grinder provide more power for heavy-duty grinding applications.

Which grinder offers better stability and precision during operation?

Both the DEWALT Bench Grinder (DW758) and the JET Bench Grinder (JBG-8A) are well-known for their quality construction and performance. However, in terms of stability and precision during operation, the JET 8-Inch Bench Grinder (JBG-8A) is often considered to offer better stability and precision. This is due to its sturdy build, smooth operation, and reliable performance, making it a popular choice among users who prioritize accuracy in their grinding tasks.

Can both grinders be used for sharpening tools?

Yes, both the DEWALT Bench Grinder (DW758) and the JET 8-Inch Bench Grinder (JBG-8A) can be used for sharpening tools. Bench grinders are commonly used for this purpose as they provide a stable platform for grinding and sharpening various tools like chisels, drill bits, and blades. Always ensure to follow the manufacturer’s guidelines and safety instructions when sharpening tools with bench grinders.

What are the main differences between the DEWALT DW758 and Jet JBG-8A?

The main differences between the DEWALT DW758 and Jet JBG-8A bench grinders are:

  1. Motor Power: The DEWALT DW758 has a 3/4 HP motor, whereas the Jet JBG-8A has a 1/2 HP motor.
  2. Speed: The DEWALT DW758 operates at 3,600 RPM, while the Jet JBG-8A runs at 3,450 RPM.
  3. Brand: DEWALT and Jet are different brands known for their quality and reliability in the power tool industry.
  4. Color: DEWALT DW758 comes in yellow, black, and gray colors, while the Jet JBG-8A may have a different color scheme.

These differences can influence your decision based on your specific needs and preferences.

What safety precautions should I follow when using a bench grinder?

When using a bench grinder like the DEWALT DW758 or the JET JBG-8A, it’s important to follow safety precautions to prevent accidents. Here are a few key safety tips to keep in mind:

  1. Always wear protective gear such as safety glasses, gloves, and a face shield to shield yourself from sparks and debris.
  2. Ensure the grinder is securely mounted to a stable surface before operation.
  3. Verify that the wheel guards are in place and properly adjusted to protect you from flying debris.
  4. Check the condition of the grinding wheel before use and replace it if there are any cracks or signs of damage.
  5. Avoid overloading the grinder with excessive pressure or material to prevent overheating.
  6. Keep bystanders at a safe distance while the grinder is in use.
  7. Unplug the grinder before changing wheels or performing any maintenance tasks.

By following these safety precautions, you can use your bench grinder efficiently while minimizing the risk of accidents.


9 responses to “DEWALT DW758 vs. Jet JBG-8A: Grinder Face-Off!”

  1. Serenity Avatar

    I appreciate the pros and cons breakdown for each grinder.

  2. Raven Avatar

    The warranty and customer service aspects are important considerations.

  3. Echo Avatar

    Safety features should be a key factor in choosing a grinder.

  4. Infinity Avatar

    I own the DEWALT DW758 and it’s been reliable so far.

  5. Shadow Avatar

    Great comparison between the two grinders!

  6. Starlight Avatar

    It would be helpful to see a performance comparison in action.

  7. Nova Avatar

    I wish the article included more details about the Jet JBG-8A.

  8. Blaze Avatar

    The price difference between the two is significant.

  9. Phoenix Avatar

    Overall, a well-rounded comparison that helps make an informed decision.