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The Bosch EXPERT HEX-9 Hard Ceramic Drill Bit is designed for professionals and DIYers needing to drill into hard ceramic tiles and similar materials without lubricant. Its key benefit is exceptional durability and precise drilling, lasting up to 10x longer than standard ceramic bits. A minor consideration is its specialized nature, meaning it's optimized for hard materials and may not be the best choice for softer tiles.
| Model Part Number | 2608902309 |
|---|---|
| Brand | Bosch |
Yes, the EXPERT HEX-9 is designed for hard ceramics and can drill through porcelain tiles, which are typically very hard (often PEI 5 or higher).
You need a drill that can securely hold a hex shank. This includes standard three-jaw chucks and ¼" internal hex tool holders found on many drills and impact drivers.
The Bosch EXPERT HEX-9 is engineered to last up to 10 times longer than standard ceramic drill bits, especially when drilling hard tiles.
This bit is designed for rotary drilling. While some impact drivers with hex chucks can be used, the hammer drill function is generally not recommended for tile and may damage the bit or tile.
The bit can comfortably drill in tiles up to a hardness of PEI 5.
No, this bit is designed for dry drilling and does not require lubricant or cooling.
The EXPERT HEX-9 is available in a range of sizes and multipack sets. The specific model reviewed is 8 x 90mm.
Ensure the drill is set to the correct rotation (usually clockwise for drilling) and that you are using an appropriate speed. Check that the hex shank is properly seated and tightened in the drill chuck. Verify the tile hardness is within the bit's rating (up to PEI 5).
Ensure you are using the multi-faceted tip for a precise start. Apply gentle, consistent pressure. Mark the drilling spot clearly. If the surface is extremely smooth, a small guide mark or starter hole with a different bit (if possible) might help, though the HEX-9 is designed to minimize this.
Although designed for dry drilling, extremely prolonged drilling in very hard materials might generate heat. Pause periodically to allow the bit and material to cool slightly. Ensure you are not applying excessive pressure which can cause heat buildup.
Setup: Insert the HEX-9 drill bit into a drill chuck that can securely grip a hex shank. Ensure the drill is set to the appropriate speed for drilling into ceramic (refer to your drill's manual, generally a lower speed is recommended).
Compatibility: The bit features a Hex-9 hex shank, designed for a strong connection in standard three-jaw chucks and ¼" internal hex tool holders. Ensure your drill or impact driver has this type of chuck for optimal performance and safety.
Care: After use, clean any dust or debris from the bit. Store the bit in a dry place to prevent corrosion. While the carbide tip is extremely durable, avoid excessive force or misuse, such as attempting to drill into metal or concrete, which can damage the tip.
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