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eBay£59.49Visit shop Genuine DeWalt DT40256-QZ 300mm x 25.4mm x 3.3 mm Extreme Metal Diamond Disc
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The DeWalt Extreme Diamond Metal Cutting Disc (DT40257-QZ) is designed for professional contractors and tradespeople who require precision and endurance when cutting various metals, including stainless steel, rebar, and aluminium. By utilizing advanced diamond technology on a solid steel body, this disc offers exceptional longevity and improved safety compared to traditional bonded abrasive wheels; however, it requires a compatible chop saw with a 25mm bore and specific power requirements for optimal performance.
| Model Part Number | DT40257-QZ |
|---|---|
| Brand | DeWalt |
This disc is specifically engineered for metals like steel, stainless steel, cast iron, and aluminium; it is not recommended for masonry or wood.
Under normal operating conditions, this disc is rated to perform over 1,000 cuts.
No, because of its diamond-coated solid steel design, it maintains its diameter throughout its entire service life.
This disc features a 25mm bore.
Yes, the solid steel body significantly reduces the risk of wheel breakage, which is a common failure point in conventional abrasive discs.
It is designed for dry cutting and does not require the use of coolants.
Check for material buildup on the diamond segments and ensure the saw is running at the recommended RPM.
Stop immediately, inspect the disc for damage, and ensure it is properly seated and tightened on the arbor.
Ensure the workpiece is properly clamped and the saw head is lowered at a consistent, controlled rate.
To ensure safety and performance, verify that your chop saw or cutting station supports a 355mm diameter disc and a 25.4mm (25mm) arbor bore. When mounting, ensure the disc is properly seated and the arbor nut is tightened to the manufacturer's specifications. After use, inspect the disc for any signs of material buildup or damage. Store the disc in a dry, protected place to prevent oxidation, and never use a blade that shows signs of warping or structural cracking.
