These are good for a variety of trades where you need to make a big hole in materials that are normally difficult to drill. The metal bonded diamond segments last a lot longer (about 50x more) than diamond coated holesaws because the diamonds are embedded throughout the segment and fresh ones are exposed as the bonding metal wears away.

To start drilling tilt the holesaw until a moon cut is done then slowly straighten up. Or drill a hole in some thin scrap wood (e.g. hardboard) to use as a template guide that stops the holesaw skipping, until the hole is started.

DRILLS HOLES IN Reinforced concrete and concrete blocks Hardies and fiber cement type products Porcelain and ceramic wall and floor tiles Marble, granite and other stone Bricks and pavers etc

SPECIFICATIONS Diameter 16mm (5/8 inch) Cutting depth 45mm Shank fits 10mm chuck Metal bonded (sintered) diamond segments 2.8 x 8.0mm Can be used dry, but wet is best

DRILLING TIPS

1. Wet cutting is best. It reduces the amount of dust, flushes out the slurry so cuts a lot quicker and greatly extends the tool life by cooling the cutting edge.
2. If you have to dry cut do 10 seconds on, 10 seconds off to avoid overheating.
3. Never use hammer action it is less effective and the holesaw may be damaged.
4. For deep holes break out the core with a cold chisel then keep going.

NOTE - The photo may show a different size than described but don't worry we will send you the correct one.

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