Makita SDS Plus Drill and Chisel Set - 10 Piece - 160mm - D-44971
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Product Information
Full details
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.
All features
| Model Part Number | D-44971 |
|---|---|
| Brand | Makita |
Extended Product Information
FAQs
Are these bits compatible with standard drill chucks?
No, these are SDS Plus bits designed specifically for SDS Plus rotary hammer chucks.
Can I use these for metal drilling?
No, these bits are specifically optimized for masonry, brick, and concrete. They will not function effectively on metal.
What is the longest bit in this set?
All drill bits in this D-44971 set are 160mm in total length.
How do I ensure the bits last longer?
Use steady pressure, allow the tool to do the work, and clean the drill bits after each project.
Does the set include a storage case?
Yes, all 10 pieces come in a dedicated, durable storage case.
What diameter drill bits are included?
The set includes a range of eight drill bits from 5.5mm to 15mm.
Troubleshooting
Bit slipping in the chuck
Ensure the SDS Plus mechanism is fully engaged and the bit is seated properly. Check the chuck for debris.
Excessive vibration during drilling
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.
Slow drilling speed
Check if the flutes are clogged with dust and ensure your hammer-drill is set to the hammer-drilling function rather than rotation-only.
Pros and Cons
Pros
- Increased material removal rates by 15%
- 30% higher resistance to wear and deformation
- Precision centering points ensure accurate hole placement
- Organized, compact storage case included
- Professional-grade durability
Cons
- All drill bits are limited to a 160mm length
- Not suitable for drilling through metal or wood
- Limited to SDS Plus chuck systems
Setup, Compatibility & Care
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.