CBN 4 in 1 Grinding Wheel, 8in x 1.25in x 5/8in - Precise Tool

In this review the CBN 4 in 1 Grinding Wheel is presented as a practical sharpening accessory for woodturners and metalworkers who need consistent, repeatable edges. The bottom line: this wheel is for users who want a long-lasting, true-running abrasive that eliminates frequent dressing and keeps jigs aligned. Reviewers will appreciate that the wheel incorporates a 1/4in radius on both edges for hollowing and scrapers while the 180 grit surface and rigid CBN construction deliver sharpness and minimal vibration.

Key Features

• 4-in-1 design: The added 1/4in radius on both edges allows sharpening of hollowing tool bits and scrapers without swapping wheels.
• Controlled grit size: The 180 grit surface balances material removal and edge refinement for High Speed Steel and woodturning tools.
• Robust CBN construction: The wheel resists deformation so users do not need to constantly adjust their jig or dress the wheel.
• Bench grinder compatibility: The 5/8in bore and 8in diameter fit most bench grinders for precise grinding on common setups.
• Smooth running: Customers report minimal vibration and accurate, true-running performance on popular bench grinders.
• Export-quality assurance: The product has been exported widely and is presented with reliable after-sales confidence.

Who It's For

The CBN 4 in 1 Grinding Wheel suits woodturners, hobbyists, and small shop machinists who sharpen High Speed Steel turning tools, scrapers, and hollowing bits and want a durable wheel that keeps jigs aligned. It is especially useful for anyone who values quick setup and consistent geometry without regular dressing.

It may be less suitable for users who need very coarse stock removal or who work exclusively with carbide or non-ferrous materials where CBN is unnecessary. Those requiring a range of grits for progressive sharpening may still want additional wheels.

Pros & Cons

Pros

• Sharpens woodturning and HSS tools effectively with clean edge quality.
• Runs smoothly on common bench grinders with low vibration and accurate truing.
• Durable CBN surface resists deformation so jigs stay set and dressing is rarely needed.
• Integrated radiused edges make hollowing tools and scrapers easier to re-profile.

Cons

• 180 grit is a middle ground and may not replace coarser wheels for heavy stock removal.
• Bore size and dimensions must match the grinder spindle; adapters may be needed for unusual mounts.

Specifications

Diameter	8 in
Width	1.25 in
Bore	5/8 in
Grit	180 grit
Edge radius	1/4 in radius on both edges
Material	CBN abrasive

Our Verdict

The CBN 4 in 1 Grinding Wheel is a practical, cost-effective choice for woodturners and HSS tool users who need a true-running, low-maintenance wheel that maintains jig setup and produces consistent edges. It is good value for those who want integrated radiused edges and long-term stability, though shops needing aggressive stock removal should pair it with a coarser wheel.

Frequently Asked Questions

Will this wheel fit my bench grinder?
The wheel has a 5/8 in bore and 8 in diameter, which fits most common bench grinders; an adapter may be required for nonstandard spindles.

Do I need to dress the wheel?
No, the CBN construction resists deformation so customers generally do not need to dress the wheel frequently.

Is it suitable for hollowing tools and scrapers?
Yes, the built-in 1/4 in radius on both edges is specifically intended for sharpening hollowing tool bits and scrapers.