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Vacuum Brazed Diamond Core Drill Bits for Drilling Marble and Porcelain with Angle Grinder
US$5.00-20.00
20 Pieces
Sample price:US$5.00/piece.Request sample
Product profile
Customization
AvailableType
Core DrillUsage
Stone, Tile DrillingModel NO.
SVCDManufacturing Technology
Vacuum BrazingSegment Height
3/5mmApplication
Drilling Tile, Granite, Marble and Natural StoneInstalling Equipment
Hand-Held DrillersOEM Service
AcceptanceCustomized
CustomizedTransportation
Ocean, Land, Air, ExpressTransport Package
Carone, Case, PalletSpecification
20mm-102mmTrademark
COREDIAMOrigin
ChinaHS Code
82071910Production Capacity
2000 Pieces Per MonthKey features
Vacuum Brazed Technology: Vacuum brazed construction ensures high efficiency, long drilling life, and no chipping or breaking segments.
Wide Diameter Range: Available in diameters from 5mm to 150mm to suit various drilling requirements.
Multi-Material Application: Designed for drilling tile, hard ceramic, granite, marble, and other natural stones.
Angle Grinder Compatible: Can be directly installed on angle grinders, serving as versatile DIY tools for drillers.
Customizable Options: Accepts OEM service and allows customization of manufacturing technology, segment height, and application.
Lightweight Design: Features a light and easily-carried structure for convenient handling during operation.
Fast Sample Delivery: Sample delivery takes 1 week after order confirmation for quick evaluation.
Professional Solution Design: We help design total solutions for core drilling projects and accept customized lengths.
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 materials can this core drill bit be used on?
A:
It is suitable for drilling tile, hard ceramic, granite, marble, and other natural stones.
Q:What is the diameter range of these drill bits?
A:
The diameters range from 5mm to 150mm, offering different quality grades to choose from.
Q:Can this product be customized?
A:
Yes, we accept OEM service and allow customization of manufacturing technology, segment height, and application.
Q:What equipment is required to install this drill bit?
A:
It can be installed on hand-held drillers and angle grinders.
Q:What are the delivery times for samples and batch orders?
A:
Samples take 1 week after order confirmation, while batch orders take 2-3 weeks after payment confirmation.
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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