SDS Core Drill Bit
1.High-quality SDS bits are specifically designed for masonry applications like brick, stone, concrete, block,stucco, and more.
2.Compatible with all SDS Plus and max sized rotary hammer drills.
3.With 2-flute self-centering carbide tip, ensuring fast cut speeds and accurate holes.
4.Optimized design allows for quick material exit from the hole while keeping the bit cool for extended longevity.
SDS Core Drill Bit - Professional Heavy-Duty Core Drilling Solution
When you need reliable performance for large-diameter holes in masonry and concrete, Danyang Ebuy's SDS Core Drill Bit delivers exceptional results. Our enterprise-grade drilling solution features premium 40Cr alloy steel construction with YG8C Tungsten Carbide teeth rated at 89+ HRA hardness. With our 77,000 square meter facility and 319 skilled employees producing 150,000 pieces daily, we ensure consistent quality and rapid delivery. Each product undergoes precise heat treatment (HRC 48-52 shank hardness) and maintains strict concentricity tolerances under 0.5mm for professional applications requiring diameters from 30mm to 160mm.
Our Factory

Technical Specifications
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Parameter
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Specification
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Shank Type
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SDS-Plus / SDS-Max
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Body Material
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40Cr / 42CrMo Alloy Steel
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Cutting Teeth
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YG8C Tungsten Carbide
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Hardness Rating
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89+ HRA (Teeth), HRC 48-52 (Shank)
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Diameter Range
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30mm - 160mm
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Thread Connection
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M16 / M22 Metric
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Heat Treatment
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Localized Hardening
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Run-out Tolerance
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<0.5mm
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Our Certificate

What Makes Our SDS Core Drill Bit Superior?
Advanced Metallurgical Engineering
Our core bits use premium micro-grain Tungsten Carbide with exceptional hardness ratings. The forged alloy steel body withstands high-impact stress while maintaining optimal toughness. This combination prevents premature wear and ensures consistent performance across demanding applications.
Precision Shank Design
The proprietary SDS geometry features precisely machined grooves and slots. This design maximizes torque transmission while allowing proper axial movement for hammering action. You get reliable tool holder engagement without slippage during heavy-duty operations.
Optimized Heat Dissipation
Exterior spiral flutes evacuate masonry dust rapidly. This prevents dangerous heat buildup that causes carbide failure. The efficient debris removal extends bit life significantly compared to standard designs.
Exhibition

Professional Applications
HVAC and Ventilation Systems
Commercial contractors rely on our bits for drilling large diameter holes through double-wythe brick walls. The SDS Core Drill Bit maintains perfect concentricity, preventing costly breakout damage on facade exit sides. This precision saves time and reduces repair work.
Plumbing Infrastructure
Plumbers use our core bits for waste water pipe penetrations in cured concrete foundations. The modular extension capability allows drilling through walls exceeding 400mm thickness without losing alignment. This reliability is crucial for underground utility installations.
Electrical Installations
Electricians choose our bits for creating circular sockets in hard masonry. The partial-depth coring capability removes wall material cleanly. This results in flush-mount installations with minimal patching compared to traditional chisel methods.
Production Process

Quality Assurance Standards
Carbide Braze Integrity
Every bit undergoes shear strength testing to ensure teeth remain secure under high temperature and impact conditions. Our induction brazing process exceeds industry torque resistance standards for professional applications.
Precision Manufacturing
We measure rotation axis deviation to maintain concentricity standards. This eliminates vibration, reduces operator fatigue, and ensures accurate hole dimensions for anchor and pipe fitment.
Comprehensive Testing
Our quality control system includes radiographic testing of welded adapters and dimensional accuracy verification. Each product meets strict tolerance requirements before shipment.
Packaging

Frequently Asked Questions
Can I utilize the item in rotary-only mode?
TCT (Tungsten Carbide Tipped) adaptations require rotational pound mode for appropriate brick work chipping. In any case, jewel center bits with SDS connectors must utilize rotary-only mode. Pound activity immediately crushes precious stone portions and framework bonding.
What happens when the bit encounters rebar?
Standard TCT center bits cannot cut through steel rebar. Contact with rebar can shear carbide teeth. Switch to committed rebar cutters or jewel center bits in rotating mode. Proficient hone prescribes filtering to dodge rebar entirely.
How do I anticipate pilot bore issues?
Remove the pilot bore after the to begin with 10mm of infiltration. This avoids sticking or vibration extricating profound in gaps. Guarantee legitimate pilot seating by checking the decreased locking region for flotsam and jetsam accumulation.
What influences bit lifespan?
Substrate hardness essentially impacts life span. Delicate brick permits hundreds of gaps whereas matured concrete with difficult total may constrain utilize to 20-50 gaps. Overheating causes untimely disappointment, so pull back intermittently for tidy clearing and discuss cooling.
Why does my bit wobble amid operation?
Excessive wobble frequently shows bowed expansion bars or worn SDS chucks in control apparatuses. Destitute fabricating concentricity in string associations can too cause issues. Continuously check bit straightness on level surfaces some time recently use.
How do I maximize boring efficiency?
Use appropriate penetrating strategy with consistent weight and normal tidy departure. Coordinate bit distance across to your application necessities. Keep up sharp carbide teeth through legitimate capacity and taking care of practices.
Why Choose Danyang Ebuy Tools?
Our broad fabricating involvement and present day generation offices guarantee reliable quality in each item. We combine progressed metallurgy with accuracy designing to convey apparatuses that meet proficient demands.
Custom branding alternatives are accessible for qualifying orders. We give comprehensive quality testing documentation and solid conveyance plans for your venture prerequisites.

Contact Us
Ready to upgrade your drilling capabilities with SDS Core Drill Bit? Reach out to [email protected] for pricing and availability information today.
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