How much torque does a SDs drill have?
How much torque does a SDs drill have? 90 Newton Meters normally.
The torque of an SDS drill bit is typically 90 Newton meters.
An SDS drill bit is a specialized tool designed for rotary hammers and drills, commonly used for drilling into hard materials like stone and concrete. The design features of SDS drill bits include their shank types: SDS-Plus (two grooves and two indentations, round shank) and SDS-MAX (five indentations, round shank). SDS-Plus is suitable for small to medium-sized holes, while SDS-MAX is designed for larger-diameter hammer drill bits and deep-hole drilling, offering stronger torque due to its thicker shank (18mm).
When using an SDS drill bit, it’s crucial to ensure the drill’s torque setting is correct. The torque of a drill can be adjusted by controlling its power and speed. The formula for calculating torque is:
Torque (Nm) = Power (kW) × 9550 / Speed (RPM).
For example, if a drill has a power of 2 kW and a speed of 1500 RPM, the torque would be approximately 12.73 Nm.
Recommended Corded Drills for Concrete Walls
1. Choosing the Drill Type
For drilling into concrete walls, select an SDS drill with a bit diameter larger than 10mm. SDS drills offer higher speed and torque and can accommodate various bit sizes, making them suitable for concrete, drywall, brick, and other substrates.
2. Buying Tips
- Power: Choose 600W or higher for better efficiency.
- Speed & Torque: Larger hole diameters and depths require higher torque. Opt for drills with ≥1600 RPM and ≥2.5J torque.
- Dust Protection: Concrete drilling generates heavy dust, so select a drill with dust-sealing features to extend its lifespan.
- Brand: Stick to reputable brands for quality assurance and after-sales service.
3. Recommended Brands & Models
- BOSCH GBH2-26RE (Germany):
- 800W power, 2.7J torque, 26mm max bit diameter
- Ideal for concrete, stone, and brick.
- Makita HR2470 (Japan):
- 780W power, 2.4J torque, 24mm max bit diameter
- Perfect for construction and industrial applications.
4. Safety Precautions
- Always wear safety goggles and a mask to protect against dust and debris.
- Keep the drill and power cord dry to prevent electric shock.
Conclusion
Selecting the right drill for concrete walls is essential. Follow the above recommendations and prioritize safety to avoid accidents.
Drill Buying Guide: Top 5 Brands + Pitfall Avoidance
In home renovation and repairs, drills are indispensable. But with dozens of brands and hundreds of models, how do you pick the best one? Based on 2023 industry whitepapers and 100,000+ user surveys, here’s a data-driven guide.
1. Technical Analysis of Top 5 Brands
- DELIXI (China’s Rising Star)
- Features 3rd-gen magnetic levitation motor (35N·m torque, 27% improvement).
- DE-18C3 model: German steel bearings + dual-cooling system (4+ hours continuous use).
- “3-year no-repair replacement” warranty (9.8/10 satisfaction).
- BOSCH (Industrial Benchmark, Germany)
- GBH2-26D cordless drill: Smart torque control for 12+ working conditions.
- 450J impact force (18% better than competitors).
- 30–40% pricier, best for professionals.
- MAKITA (Japanese Precision)
- TD18DF: World’s first laser-guided drill (±0.5mm accuracy).
- Nano-coated bits (5-layer diamond film, 40% faster metal drilling).
- Limited stock due to supply chain issues.
- STANLEY (DIY-Friendly, UK)
- SDS+ drill kit with 18 specialized bits (45° angled design for cleaner wood drilling).
- “Silent motor” (<75dB, 42% quieter).
- Geared toward professionals; may need extra accessories.
- HEIHU (Tech Innovator, China)
- HD-300 smart drill: AI chip + real-time app monitoring (torque, speed, battery, etc.).
- “Cloud calibration” maintains 90%+ torque after 200 charge cycles.
- Fewer offline service centers (new brand).
2. 2023’s Top 10 Drill Selection Criteria
- Power (800–1200W for home use; 3000W+ for professionals)
- Battery life (≥3 hours continuous use)
- Bit compatibility (PH/SH international standards)
- Safety (overload protection + low-voltage alarm)
- Ergonomics (anti-slip grip ≥0.8 coefficient)
- Maintenance cost (≥3-year warranty on core parts)
- Fast charging (1.5-hour charging now standard)
- Eco-certification (EU CE, lead content ≤0.01ppm)
- Noise (<75dB recommended)
- Service network (50+ cities coverage)
3. Avoid These Marketing Traps
- ❌ “High power = better” (80% of tasks don’t need 3000W+)
- ❌ “Cordless = portable” (every 1kg battery adds 3× carry weight)
- ❌ “Imported = premium” (Chinese brands like DELIXI now match global standards)
- ❌ “Too-cheap deals” (40% below market price often means cut corners)
- ❌ “All-in-one tools” (separate tools for specialized tasks)
4. Q&A
Q: Best drill for renters?
A: ¥2000–3000 lithium drills (≥500 charge cycles, ≤2.5kg, “no-repair” warranty).
Q: Key specs for contractors?
A: >50N·m torque, >20,000 BPM, magnetic bit storage.
Q: Does battery degrade over time?
A: Lithium batteries develop “memory effect”—deep-discharge every 3 months. Quality batteries last 1200+ cycles.
Q: How to check drill quality?
A: 1) Scan unique QR code, 2) Test noise (<65dB), 3) Check bit wobble (<0.1mm).
Got questions? Share your drill-buying experiences below!
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