Power Tools & Accessories – CEM Industrial Supply

Screwdrivers: Phillips vs JIS — Why You Strip Screws

January 28, 2026
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If you’ve ever had a screw cam out, strip instantly, or refuse to come loose even though you’re using the “right” size Phillips screwdriver, there’s a good chance the problem isn’t your technique — it’s the screw type. Phillips and …

Sanding Belt Types (aluminum oxide vs zirconia) + when they burn

January 28, 2026
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If you’ve ever had a sanding belt glaze over, turn black, or start burning the workpiece instead of cutting it, the problem usually isn’t the sander — it’s the belt type. Aluminum oxide and zirconia sanding belts behave very differently …

Wire Wheels: Crimped vs Knotted — Safety, Differences, and Best Uses

January 28, 2026
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Wire wheels are simple tools that get abused, misused, and misunderstood more than almost any abrasive. Choosing between crimped and knotted wire wheels isn’t just about aggressiveness — it affects finish quality, safety, control, and tool life. This guide explains …

Cutoff Wheel Thickness: .045 vs .040 vs 1/16 (why it matters)

January 28, 2026
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Cutoff wheels may look similar on the shelf, but thickness makes a huge difference in how fast you cut, how clean the edge is, and how often you’re swapping wheels. Choosing between .045, .040, and 1/16 cutoff wheels isn’t just …

Zirconia vs Ceramic vs Aluminum Oxide: Which Abrasive Grain Matters

January 28, 2026
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When you’re choosing sanding discs, flap discs, or grinding wheels, the abrasive grain matters more than the brand name. Zirconia, ceramic, and aluminum oxide are the three most common abrasive grains you’ll see on the shelf — and each one …

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. …

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 …

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 …

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 …

Power Tools & Accessories: Buying, Using, and Maintaining Job-Site Tools

January 20, 2026
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Power tools are where time, labor, and results collide. The right tool makes a crew faster, safer, and more consistent. The wrong tool burns batteries, strips fasteners, overheats motors, and costs you downtime. This hub is your practical guide to …

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