Chandra Dhopatkar – Page 5 – CEM Industrial Supply

Drill Bits Explained: Types, Materials, and When to Use Each One

January 21, 2026
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Most drilling problems don’t come from the drill. They come from the wrong bit. Using the wrong drill bit leads to slow cuts, overheated metal, chipped wood, broken bits, and ugly holes. Once you understand how drill bits actually work, …

Sanding Discs, Belts, and Pads: Which One Works Best for Each Material?

January 20, 2026
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Sanding looks simple, but choosing the wrong abrasive wastes time, clogs discs, overheats material, and leaves inconsistent finishes. Discs, belts, and pads are designed for very different tasks, and understanding those differences makes sanding faster, cleaner, and far less frustrating. …

Cutting Wheels vs Cutoff Wheels: What’s the Difference (And Why It Matters)

January 20, 2026
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Cutting wheels and cutoff wheels are often treated as interchangeable. They’re thin, they spin fast, and they slice through metal. But using them incorrectly is one of the most common grinder mistakes on the job site—and one of the fastest …

How to Extend the Life of Your Angle Grinder (Without Buying a New One)

January 20, 2026
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Angle grinders are some of the hardest-working tools on any job site—and also some of the most abused. Most grinders don’t fail because they’re poorly made. They fail because of heat, vibration, dirt, and bad habits that quietly shorten their …

Abrasive Wheel Safety: What OSHA Actually Cares About (And What Most Shops Get Wrong)

January 20, 2026
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Most shops think abrasive wheel safety is about wearing gloves and safety glasses. That’s part of it—but it’s not what OSHA focuses on first. The majority of citations and injuries tied to grinders come down to setup, ratings, and misuse, …

How Improper Grinding Destroys Bearings (And How to Prevent It)

January 20, 2026
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Most people blame grinders when tools fail early. In reality, the grinder is usually the victim. Improper grinding techniques generate heat, vibration, and side-loading that quietly destroy bearings long before the motor gives out. At CEM Industrial Supply, we see …

Why Cheap Grinding Discs Cost More in the Long Run

January 20, 2026
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At first glance, a grinding disc is a grinding disc. They’re round, abrasive, and they spin fast. So when a cheaper option is sitting on the shelf, it’s tempting to grab it and move on. The problem is that low-cost …

Angle Grinder Discs Explained: Type 27 vs Type 29 (And Which One You Should Use)

January 20, 2026
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Angle grinder discs aren’t one-size-fits-all. Two discs can look nearly identical and perform very differently depending on how they’re built. One of the most misunderstood differences on the job site is Type 27 vs Type 29 discs. Using the wrong …

How to Choose the Right Abrasive for Metal, Steel, and Stainless

January 20, 2026
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Not all abrasives are interchangeable. Using the wrong disc, wheel, or belt doesn’t just slow you down—it overheats material, ruins finishes, and shortens tool life. The right abrasive cuts faster, runs cooler, and produces better results with less effort. At …

Grinding Wheels vs Flap Discs: When to Use Each (And Why It Matters)

January 20, 2026
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Grinding wheels and flap discs look similar at a glance, but they behave very differently in real-world use. Choosing the wrong one leads to slow material removal, excess heat, damaged parts, and worn-out grinders. Choosing the right one makes jobs …

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Articles posted by Chandra Dhopatkar