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25mm-350mm Diamond Brazed Wet Core Drill Bit with Normal Segments/Diamond Tools
US$10.00-150.00
10 Pieces
Sample price:US$10.00/piece.Request sample
Product profile
Customization
AvailableUsage
Masonry Drilling, Concrete DrillingManufacturing Technology
Laser WeldingModel NO.
CWDASegment Height
10mmApplication
Wet Drilling Concrete, Reinforced ConcreteInstall Quipment
Stand Driller, Hand-Held DrillerTransport Package
Carton, PalletSpecification
25mm-350mmTrademark
COREDIAMOrigin
ChinaHS Code
82071910Production Capacity
2000 Pieces Per MonthKey features
Laser Welded Construction: Advanced laser welding ensures high welding strength and durability.
Turbo Segment Design: Special design provides excellent sharpness for fast drilling in concrete and steel.
Wide Size Range: Available in sizes from 25mm to 350mm for various masonry and concrete applications.
Customizable Dimensions: Segments height, working length, and connection type can be adjusted upon request.
Wet Drilling Efficiency: Optimized for wet drilling in concrete, reinforced concrete, and masonry with superior efficiency.
Fast Sample Delivery: Samples delivered within 2 weeks after order confirmation.
Project Solution Design: Service includes customizing lengths and segments and designing total core drilling solutions.
Batch Order Turnaround: Batch orders delivered within 3 weeks after payment confirmation.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2007-01-01Nearest Port: Tianjin Seaport, Beijing Airport, Shanghai PortAverage Response Time: ≤4.27hTerms 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 size range of the drill bits?
A:
The drill bits range from 25mm (1 inch) to 350mm (14 inches) in diameter.
Q:Can the dimensions be customized?
A:
Yes, segments height, working length, and connection type can be adjusted according to your request.
Q:What is the delivery time for samples?
A:
Samples are delivered within 2 weeks after the order is confirmed.
Q:How long does it take for batch orders?
A:
Batch orders are delivered within 3 weeks after payment is confirmed.
Q:What materials can this drill bit cut?
A:
It is suitable for wet drilling in concrete, reinforced concrete, and masonry, including cutting steel.
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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