DEWALT Extreme SDS Max 4-Cutter Heavy-Duty Hammer Drill Bit Family (12mm to 36mm) for Reinforced Concrete & Masonry - DT9401-QZ to DT9440-QZ
Up to Rs 750.00 OFF
Up to Rs 7,000.00 OFF
Up to Rs 16,000.00 OFF
Rs 20,000.00 OFF
| Feature | Details |
| Brand | DEWALT |
| Model Numbers | DT9401-QZ (12x540), DT9406-QZ (14x540), DT9410-QZ (16x540), DT9416-QZ (20x340), DT9417-QZ (20x540), DT9424-QZ (25x340), DT9439-QZ (35x670), DT9440-QZ (36x570) |
| Product Type | SDS Max 4-Cutter Hammer Drill Bits |
| Drill Bit Diameters | 12 mm, 14 mm, 16 mm, 20 mm, 25 mm, 35 mm, 36 mm |
| Overall Lengths | 340 mm, 540 mm, 570 mm, 670 mm |
| Shank Type | SDS Max (18 mm Shank Diameter with Open/Closed Drive Slots) |
| Head Architecture | Solid Carbide 4-Cutter Head with Centering Tip (Rebar-Resistant) |
| Flute Geometry | High-Volume 4-Flute Helical Spiral for Rapid Dust Evacuation |
| Compatible Machines | All Standard Heavy SDS Max Rotary Hammers & Demolition Drills |
| Target Substrates | Reinforced Concrete, Cured Concrete, Masonry, Natural Stone, Granite & Brickwork |
| Primary Applications | Deep Anchor Hole Drilling, Rebar Doweling, Plumbing/Electrical Conduit Pass-Throughs & Structural Post-Installation |
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Solid Carbide 4-Cutter Head Geometry: Four symmetrical cutting edges resist binding, reduce chipping, and cleanly slice through embedded steel rebar without bit snapping.
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Rapid Debris Removal 4-Flute Spiral: Wide multi-flute channels evacuate concrete dust and aggregate slurry quickly from deep holes, lowering heat buildup and friction.
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Precision Self-Centering Pilot Tip: Aggressive tip geometry initiates instant, slip-free hole starts on uneven concrete and natural stone surfaces without skating.
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Maximized Impact Energy Transfer: Hardened, shock-absorbing alloy steel core channels mechanical percussion directly to the carbide tip, minimizing vibration fatigue for the operator.
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Eight Heavy Civil Jobsite Sizes: Covers standard and deep-reach working lengths from 12x540mm up to 36x570mm and 35x670mm, fitting all standard SDS Max rotary demolition hammers in Nepal.
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