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B&Q£19.99Visit shop B&Q - D-44971 10 Piece Sds Plus Drill Bullet Cold Flat Chisel Set 160mm + Case
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The Makita SDS Plus Drill and Chisel Set (D-44971) is a professional-grade kit ideal for construction workers, electricians, and serious DIY enthusiasts working with masonry and concrete. It delivers a key benefit of 30% higher resistance to wear compared to standard bits, significantly increasing the longevity of your tools, though users should note that the 160mm length limit may restrict depth for certain deep-wall drilling applications.
| Model Part Number | D-44971 |
|---|---|
| Brand | Makita |
No, these are SDS Plus bits designed specifically for SDS Plus rotary hammer chucks.
No, these bits are specifically optimized for masonry, brick, and concrete. They will not function effectively on metal.
All drill bits in this D-44971 set are 160mm in total length.
Use steady pressure, allow the tool to do the work, and clean the drill bits after each project.
Yes, all 10 pieces come in a dedicated, durable storage case.
The set includes a range of eight drill bits from 5.5mm to 15mm.
Ensure the SDS Plus mechanism is fully engaged and the bit is seated properly. Check the chuck for debris.
Verify the bit is not bent and the centering tip is not worn down; check that the drill is securely held perpendicular to the surface.
Check if the flutes are clogged with dust and ensure your hammer-drill is set to the hammer-drilling function rather than rotation-only.
These tools are strictly compatible with SDS Plus chuck systems; ensure your rotary hammer drill is set to the correct mode (drill-only for masonry or hammer-drill for concrete). To maintain the lifespan of the bits, avoid applying excessive lateral force, which can lead to tip fracture. After use, inspect the carbide tips for heat bluing or cracks. Store the bits in the provided case in a dry environment to prevent corrosion. Periodically clean the flute grooves with a wire brush to remove impacted concrete dust, ensuring maximum material evacuation efficiency during your next job.
