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Power Tools Direct£1.19Visit shop Faithfull Standard Masonry Drill Bit 4.5 X 85Mm
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The Faithfull Standard Masonry Drill Bit (8mm x 300mm) is designed for trade professionals and serious DIY enthusiasts who require a reliable, long-reach solution for drilling into brick, block, and cement render. Its standout benefit is the combination of a heavy-duty tungsten carbide tip and an efficient spiral flute design, which ensures clean, fast hole production in demanding materials. Potential users should note that because it is a standard masonry bit, it is not intended for use on high-density materials like reinforced concrete or natural stone, where a specialized hammer bit would be more appropriate.
| Model Part Number | FAIS8300 |
|---|---|
| Brand | Faithfull |
This bit is specifically designed for masonry. While it might penetrate wood, it will leave a rough hole and is not optimized for it.
This bit is intended for brick, block, and cement. Natural stone is often too dense and may cause premature tip failure.
Yes, as long as the drill has a percussion/hammer function and a chuck capable of holding an 8mm shank.
It is not recommended. Masonry bits require the hammering action to break the material effectively.
While the total length is 300mm, the effective drilling depth is slightly less to ensure the chuck does not strike the surface.
No, masonry bits should generally be used dry. Water can turn the masonry dust into a paste that clogs the flutes.
Ensure the chuck is tightened evenly across all three jaws and the bit shank is fully inserted.
Pull the bit out of the hole every few seconds while the drill is rotating to clear debris.
Reduce the drill speed and ensure you are using the percussion setting to help the bit cut rather than grind.
To set up, ensure your drill is set to 'hammer' or 'percussion' mode before contact with the target surface. This bit fits into any standard three-jaw drill chuck up to 13mm; tighten the chuck securely to prevent slippage. When starting a hole, use a center punch or make a small pilot indentation to keep the bit from wandering. For care and maintenance, always allow the bit to cool down after heavy use before touching it. Store the bit in a dry environment to prevent surface corrosion, and periodically inspect the tip for signs of chipping or blunting. If the tip appears dull, it is best to replace the bit rather than attempting to sharpen it, as the carbide geometry is critical for performance.
