The Wheel We're Putting Up

The Pro-Graad EXL 6" x 1" x 1" Convolute Deburring Wheel (SKU 05132, 9S Fine) is a solid, dense, non-woven wheel built for deburring, blending, cleaning, and finishing — on metals, hard and soft composites, and glass, wet or dry. It's wound on a solid 1" core rather than glued or stacked, so it holds its shape and density through the life of the wheel instead of going soft and inconsistent halfway through the job.

The premium resin bond is what most competing convolute wheels skip on. It's engineered to minimize smearing — so you're not stopping mid-run to clean gummed-up abrasive off the part — and to keep heat buildup down, which matters if you're working anything heat-sensitive that can discolor or warp under a hot wheel.

The 05132 is available in 1-pack, 2-pack, and 10-pack quantities, so you can run the challenge on a single wheel first and scale up to a case once the worksheet backs it up:

• 1 Pack
• 2 Pack
• 10 Pack

Curious how it stacks up against the wheel most shops default to? See our full breakdown: the best alternative to 3M Scotch-Brite EXL wheels.

A Cheaper Wheel Isn't a Cheaper Part

Every wheel has a sticker price, and it's tempting to compare wheels on that number alone. But the wheel price is only one line in what it actually costs you to finish a part. The real number is cost per part — the wheel's contribution to every single piece that comes off your line — and it's made up of three things:

New to convolute wheels or not sure how they differ from flap discs and fiber discs? Start with what deburring wheels are, how they work, and why wheel choice matters.

A wheel that costs less up front but wears out faster, runs slower, or leaves enough marks behind that a percentage of parts need rework or get scrapped can easily cost you more per part than a wheel that costs more but holds its shape, cuts consistently, and gets it right the first time. That's the comparison that actually matters, and it's the one most abrasive vendors never ask you to make. We are.

The Cost-Per-Part Worksheet

Run the same job — same part, same operator, same machine settings where possible — on your current wheel and on the EXL 05132. Fill in what each wheel actually did. The worksheet below does the math and shows you the cost-per-part gap in real time.

How to Run the Challenge

The worksheet is only as good as the data you feed it. Here's how to get numbers you can trust:

1. Pick one representative part and job

   Choose a part, material, and operation you run often — deburring a stamped edge, blending a weld, finishing a fitting. Keep the part identical across both wheel tests.

2. Hold everything else constant

   Same machine, same RPM, same operator if possible, same fixture and pressure. The only thing that should change between the two runs is the wheel.

3. Run your current wheel to failure or end-of-life

   Count every part it actually finishes to your quality standard before it needs replacing. Track total time on the job and log any parts that needed rework or got scrapped due to wheel performance.

4. Run the EXL 05132 the same way

   Same part, same conditions. Count parts finished per wheel, cycle time, and rework/scrap.

5. Drop both sets of numbers into the worksheet

   Enter wheel price, parts per wheel, cycle time, and reject rate for each wheel, plus your shop's labor rate and rework cost. The worksheet calculates cost per part automatically.

6. Document the result

   Use the "Generate Test Summary" button to produce a written record of the test — part, conditions, and both wheels' numbers — so you have something concrete on file, not just an impression.