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350mm Laser Welded Diamond Core Drill Bits for Reinforced Concrete Drilling Works
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.
CWDAManufacturing Technology
Laser WeldingSegment Height
10mmDrilling Condition
Wet DrillingEffective Length
450mmTransport Package
Carton, Case, PalletSpecification
1-14 inchTrademark
COREDIAMOrigin
ChinaHS Code
82071910Production Capacity
2000 Pieces Per MonthKey features
Laser Welding Technology: Manufacturing technology uses laser welding for superior durability and performance.
Superior Sharpness: Great wall segments achieve fast drilling, especially when cutting steel.
Wet Drilling Capability: Suitable for wet drilling concrete, reinforced concrete, and masonry.
Wide Diameter Range: Available in sizes from 25mm to 350mm to meet various drilling needs.
Standard Segment Height: All models feature a consistent 10mm segment height for stability.
Long Effective Length: Effective length is 450mm for deep drilling applications.
Versatile Installation: Compatible with both Stand Core Driller and Hand-Held Drillers.
Reasonable Lifespan: Wet core drills offer a reasonable lifespan with superior efficiency.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2007-01-01Nearest Port: Tianjin Seaport, Beijing Airport, Shanghai PortAverage Response Time: ≤4.09hTerms 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 delivery time for samples?
A:
2 weeks for samples after order confirmed.
Q:What is the delivery time for batch orders?
A:
3 weeks for batch order after payment confirmed.
Q:What is the segment height of these drill bits?
A:
The segment height is 10mm for all models.
Q:Can these drill bits be used for cutting steel?
A:
Yes, they achieve very fast drilling especially when cutting steels.
Q:What is the effective length of the drill bits?
A:
The effective length is 450mm.
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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