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Top-Quality Diamond Core Drill Bits with Corediam Tools
US$10.00-30.00
20 Pieces
Sample price:US$20.00/piece.Request sample
Product profile
Customization
AvailableType
Core DrillUsage
Masonry Drilling, Reinforced Conrete DrillingModel NO.
CWDACertification
SGS,Manufacturing Technology
Laser WeldingSegment Height
10mmApplication
Wet Drilling Concrete, Reinforced ConcreteInstalling Equipment
Stand Core Driller, Hand-Held DrillersTransport Package
Carton, PalletSpecification
25mm-350mmTrademark
COREDIAMOrigin
ChinaHS Code
82071910Production Capacity
2000 Pieces/MonthKey features
Laser Welding Technology: Advanced high-frequency laser welding ensures high strength and durability.
Customizable Dimensions: Segment height, working length, and connection type are adjustable on request.
Wide Size Range: Available from 25mm to 350mm standard, with max diameter up to 500mm.
High Efficiency Drilling: Superior sharpness allows fast drilling in concrete, reinforced concrete, and steel.
OEM Packaging Service: Supports custom packaging designs, including blister packs and branded inserts.
Professional Project Support: We provide total solution design and customized segments for core drilling projects.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2007-01-01Nearest Port: Tianjin Seaport, Beijing Airport, Shanghai PortAverage Response Time: ≤2.63hTerms 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 diameter available?
A:
The maximum diameter for wet core drills is 500mm, with standard sizes ranging from 25mm to 350mm.
Q:Can the drill bits be customized?
A:
Yes, segment height, working length, and connection type can be adjusted according to your request.
Q:What is the delivery time for orders?
A:
Samples take 2 weeks after order confirmation, and batch orders take 3 weeks after payment confirmation.
Q:What materials can this drill bit cut?
A:
It is suitable for wet drilling of concrete, reinforced concrete, masonry, and steel with high efficiency.
Q:What welding technology is used?
A:
The bits are brazed using advanced high-frequency laser welding production lines to ensure high welding strength.
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
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