Powered by Made-in-China.com
72mm Top Slot Socket Core Drill Bits for Dry Use/Diamond Drilling Tools
US$10.00-50.00
20 Pieces
Sample price:US$10.00/piece.Request sample
Product profile
Customization
AvailableType
Core DrillUsage
Masonry DrillingModel NO.
CDSDCertification
SGSManufacturing Technology
Laser WeldingSegment Height
10mmApplication
Dry Drilling Concrete, Reinforced ConcreteInstalling Equipment
Hand-Held DrillersArbor
M16Transport Package
Carone, PalletSpecification
68mm, 72mm, 82mmTrademark
COREDIAMOrigin
ChinaHS Code
82071910Production Capacity
2000 Pieces/MonthKey features
Laser Welding Technology: Advanced laser welding ensures superior segment sharpness and fast drilling without burning.
Dry Drilling Efficiency: Designed for dry drilling in concrete, reinforced concrete, and masonry with high efficiency.
Multiple Diameter Options: Available in 68mm, 72mm, and 82mm diameters to suit various socket installation needs.
Magnetic Top Slot Design: Features a top slot and magnetic holder for secure grip and clean circular hole drilling.
SGS Certified Quality: Product holds SGS certification, ensuring reliability and safety for professional use.
Fast Sample Delivery: Samples delivered within 1 week after order confirmation for quick evaluation.
Customization Support: We accept customized lengths and segments for wet core drills and project solutions.
Professional Manufacturer: High-tech enterprise specializing in innovative diamond tools for construction and DIY markets.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2007-01-01Nearest Port: Tianjin Seaport, Beijing Airport, Shanghai PortAverage Response Time: ≤3.67hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, CFR, CIF, EXW
AI-Powered supplier vetting
SummaryCorediam Tools is a China-based limited company operating as both a trading company and manufacturer/factory in Hebei. It focuses on diamond tools for construction, stone processing, and DIY markets, with 10 production lines and stated output across saw blades, grinding wheels, core drill bits, and wire saws. The supplier reports ISO 9001 and ISO 14001 management-system certifications, 11–20 R&D engineers, 21–30 quality-control staff, automated manufacturing equipment, and product authentication to German MPA and EU EN 13236 standards. Its export network covers more than 50 countries and exports account for 90% of total sales. Evidence supports production, quality-management, innovation, and international-export capabilities. However, the provided information does not establish after-sales service performance, financial credibility, customization capability, or specific customer cases.
Supplier typeThe supplier is identified as a trading company in one record and as both a trading company and manufacturer/factory in another. Its stated activities include researching, developing, manufacturing, and marketing diamond tools, indicating a combined trading and manufacturing profile rather than a purely commercial intermediary.
CertificationsCorediam reports ISO 14001 and ISO 9001 certification for supplier management systems. Its products are also stated to be authenticated to German MPA and European Union EN 13236 standards, providing explicit evidence of formal management-system and product-standard credentials.
R&D capabilityCorediam explicitly emphasizes technology innovation and R&D, reports 11–20 R&D engineers, and describes advanced automatic pressing, sintering, and German Dr. Fritsch automatic laser-welding machinery. Its broad product range and high-tech-enterprise description support an established innovation and development capability.
Production capacityThe supplier reports 10 production lines and manufacturing output covering diamond saw blades, laser-welded blades, grinding cup wheels, core drill bits, and diamond wire saws. It also states that automated pressing, sintering, and laser-welding equipment is used, with rigorous inspection and quality-control processes, providing explicit evidence of multi-product production capacity.
Product Q&A
Q:What is the maximum drilling diameter available?
A:
The available diameters are 68mm, 72mm, and 82mm.
Q:Is this drill bit suitable for wet or dry drilling?
A:
This specific model is designed for dry drilling in concrete, reinforced concrete, and masonry.
Q:What is the lead time for sample orders?
A:
Samples are delivered within 1 week after the order is confirmed.
Q:What is the lead time for batch orders?
A:
Batch orders are delivered within 2-3 weeks after payment is confirmed.
Q:Can I request custom sizes for this product?
A:
We accept customized lengths and segments, particularly for wet core drills and total project solutions.
Send Inquiry
*To:
Shijiazhuang Corediam Tools Technology Co., Ltd.
Shijiazhuang Corediam Tools Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
162×450mm Dry Diamond Core Drill Bits for Reinforced Concrete/OEM Diamond Tools Manufacturer
US$55.50-56.20
50 Pieces(MOQ)
127mm Laser Welded Dry Diamond Core Drill Bit for Drilling Stone
US$10.00-50.00
20 Pieces(MOQ)
Pilihu Drilling Tools Diamond Turbo Protective Dry Drill for Granite Core Drill Bit for Stone
US$4.80-37.00
10 Pieces(MOQ)
Precision Brazed Diamond Rim for Fast, Chip-Free Tile Hole Making Brazed Core Drill Bit
US$6.05-6.55
100 Piece/Pieces(MOQ)
Easy-to-Use Tool for Professionals and DIY Enthusiasts Alike Kept Vacuum Brazed Diamond Core Drill Bit
US$1.25-1.60
10 Pieces(MOQ)
152mm Laser Welded Dry Core Drill Bit for Reinforced Concrete/Diamond Tool
US$10.00-70.00
20 Pieces(MOQ)
5~16mm Hexagon Shank Hole Saw Cutter Diamond Brazed Dry Drill Bits for Granite Marble Ceramic Tile Glass Drilling
US$0.05-0.20
1,000 Pieces(MOQ)
Pilihu High Frequency Diamond Core Drill Bits for Drilling Hard Concrete
US$4.80-37.00
10 Pieces(MOQ)
Designed for Hard Tiles Diamond Core Bit with Anti-Slip Centering Tip Brazed Core Drill Bit
US$6.05-6.55
100 Piece/Pieces(MOQ)
Hole Saw for Porcelain 65mm-95mm M14 Angle Grinder Dry Cutter Vacuum Brazed Diamond Core Drill Bit
US$7.30-7.91
100 Set/Sets(MOQ)
72mm Diamond Dry Core Drill Bits/Core Bits/Core Drill/Diamond Tool
US$10.00-70.00
20 Pieces(MOQ)
Pilihu Hot Sale Dry Cutting Diamond Core Drill Bit Hole Saw for Stone Concrete or Reinforced Concrete
US$4.80-37.00
10 Pieces(MOQ)
Diamond Core Drill Bits - Dry & Wet Style
US$8.00-10.00
10 Pieces(MOQ)
Diamond Core Drill Bit Set Wet Use and Dry Use Hole Saw
US$2.50-9.50
200 Pieces(MOQ)
5PCS Dry Diamond Core Drill Bit Set & Case
US$10.00-80.00
2 Pieces(MOQ)
Diamond Segments Core Drill Bit for Dry Cutting Concrete
US$10.00-80.00
2 Pieces(MOQ)
Laser Welded Dry Wet Diamond Core Drill Bit for Concrete Stone Drilling
US$15.00-150.00
10 Pieces(MOQ)
6-150mmm14 Brazed Diamond Saw Cutting Core Drill Bit for Tile Porcelain Granite Marble Dry Drilling
US$1.75-15.00
1 Piece(MOQ)
Vacuum Brazing Magic Dry Diamond Core Bit for Ceramic
US$1.00
100 Pieces(MOQ)



















