shop supplies – CEM Industrial Supply

Utility Knives: Blade types + safest way to cut roofing/insulation

January 28, 2026
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Utility knives look simple, but they cause more jobsite injuries than almost any other hand tool. The blade type you use — and how you cut — determines whether the job goes cleanly or ends with a ruined cut, damaged …

Tape Measures: Standout, Blade Width, and Accuracy Classes Explained

January 28, 2026
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Not all tape measures measure the same — at least not in practice. Standout distance, blade width, and accuracy class all affect how usable, accurate, and frustrating a tape measure is on the job. If your tape keeps collapsing, flexing, …

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 …

Wrenches: Combination vs Ratcheting vs Flare Nut — Which One Should You Use?

January 28, 2026
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Not all wrenches are interchangeable, even when they’re the same size. Choosing between combination, ratcheting, and flare nut wrenches affects speed, access, grip, and whether you round off a fastener or get the job done cleanly. This guide breaks down …

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 …

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Posts tagged "shop supplies"