Bosch Concrete Drill Bit - 90mm x 8mm
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OnBuy.com(90Mm X 8Mm, Silver) Bosch Concrete Drill Bit 5063918184656
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Bosch (90Mm X 8Mm, Silver) Concrete Drill BitFree delivery in 1–3 days£9.13Visit shop →
(200Mm X 8Mm, Silver) Bosch Concrete Drill Bit 5063918184458Free delivery in 1–3 days£10.24Visit shop →
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B&Q - Concrete Drill Bit Silver (90mm X 8mm)Free delivery in 1–3 days£11.14Visit shop →
Product Information
Full details
The Bosch Concrete Drill Bit (90mm x 8mm) is an essential tool for professional contractors and dedicated DIY enthusiasts who frequently work with concrete, masonry, and stone. Engineered with a proprietary carbide blend and diamond-ground cutting edges, this bit delivers exceptional durability and consistent performance in tough drilling conditions. While it is highly effective for standard masonry tasks, users should note that it is not intended for use on structural steel or heavily reinforced concrete containing thick rebar.
All features
| Model Part Number | 90mm x 8mm |
|---|---|
| Brand | Bosch |
Extended Product Information
FAQs
Can I use this bit for wood?
While it can penetrate wood, it is optimized for masonry. It will leave a rough hole and is not recommended for woodworking.
Is this bit compatible with cordless drills?
Yes, provided the cordless drill has a hammer function and can accommodate the bit's shaft size.
Does it work on rebar?
No, this bit is designed for concrete and masonry. Hitting steel rebar can chip or damage the carbide tip.
How do I know when the bit is worn out?
Look for a rounding of the cutting edges or a significant decrease in drilling speed even when using proper technique.
What is the total length of the bit?
The bit has a working and overall length profile designed for a 90mm reach.
Troubleshooting
Bit slipping in the chuck
Ensure the drill chuck is fully tightened and the bit is seated deeply enough. If slippage continues, check the chuck jaws for wear.
Slow drilling speed
Clear the hole of accumulated concrete dust and ensure the tool is set to hammer mode rather than rotation-only mode.
Excessive heat build-up
Reduce the drill speed and pull the bit out frequently during operation to allow cooling and dust evacuation.
Pros and Cons
Pros
- Superior wear resistance compared to standard masonry bits
- Fast and precise hole initiation due to diamond-ground edges
- Engineered for high-impact durability in masonry applications
- Compatible with most standard rotary hammer drills
- Efficient dust and debris extraction
Cons
- Not suitable for high-tensile steel or reinforced concrete
- Specific 90mm length may be too short for deep anchor installations
- Requires high-torque tools for optimal performance
- May dull faster if used excessively on non-masonry materials
Setup, Compatibility & Care
To ensure optimal performance, insert the 8mm shaft securely into your drill chuck, ensuring it is tightened to the manufacturer's torque specifications. This bit is compatible with standard rotary hammer drills. After use, inspect the carbide tip for signs of chipping or extreme wear. Store the bit in a dry, organized container to prevent moisture exposure, which can cause surface oxidation. Avoid dropping the bit on concrete surfaces when not in use, as impacts can compromise the integrity of the carbide brazing.