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68mm Electroplate Diamond Hole Drill Bit/Diamond Tool
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.
SECDManufacturing Technology
ElectroplatedSegment Height
3mmApplication
Drilling Tile, Granite, Marble and Natural StoneInstalling Equipment
Hand-Held DrillersTransportation
Ocean, Air, Land, ExpressTransport Package
Carone, Case, PalletSpecification
5-83mmTrademark
COREDIAMOrigin
ChinaHS Code
82071910Production Capacity
2000 Pieces Per MonthKey features
Electroplated Technology: Ensures excellent diamond-to-tube combination for superior drilling performance.
Wide Size Range: Available from 5mm to 83mm diameter to suit various drilling needs.
Versatile Application: Ideal for drilling tile, granite, marble, and other natural stones.
High Drilling Speed: Features excellent drilling speed with a reasonable lifespan.
Lightweight Design: Easily carried and drills stones with clear edges.
Multiple Shipping Options: Transportation via Ocean, Air, Land, or Express services available.
Fast Sample Delivery: Samples ready within 1 week after order confirmation.
Batch Order Efficiency: Batch orders delivered within 2-3 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 available size range for this core drill?
A:
The available sizes range from 5mm to 83mm in diameter.
Q:What materials can this drill bit be used on?
A:
It is suitable for drilling tile, granite, marble, and other natural stones.
Q:How long does it take to receive samples?
A:
Samples are ready 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:What is the segment height of the drill bit?
A:
The segment height is 3mm.
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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