DEWALT DT3743-XJ 115 mm Diamond Cutting Disc for Angle Grinder

On a busy construction site, a mason needs to cut through a concrete paving slab quickly and cleanly. The DEWALT DT3743-XJ diamond cutting disc makes that job straightforward. This 115 mm segmented blade fits standard angle grinders and slices through concrete, stone, brick, and masonry with ease. It is built for both dry and wet cutting, giving you flexibility on the job.

Key specifications

• Diameter: 115 mm
• Bore diameter: 22.23 mm (7/8 inch)
• Segment height: 7 mm
• Maximum rotational speed: 13300 RPM
• Disc type: Diamond cutting disc, segmented
• Compatible materials: Concrete, stone, paving, masonry, bricks, blocks
• Cutting method: Dry or wet
• Safety standard: EN 13236
• Pack quantity: 1

Why choose it

This disc belongs to the DEWALT Extreme series, known for durability and performance. The sintered diamond segments are bonded to a steel core, providing a long service life and consistent cutting. The segmented design reduces heat buildup and allows efficient debris removal, so you can work faster without compromising the blade.

Ideal use cases

• Cutting concrete slabs and curbs
• Trimming bricks and blocks
• Creating expansion joints in masonry
• General purpose cutting on construction and renovation sites

Good to know

The disc is designed for use with angle grinders and meets the EN 13236 safety standard for diamond tools. Always follow the manufacturer's safety instructions and wear appropriate personal protective equipment. The standard 22.23 mm bore fits most angle grinders without the need for additional adapters.