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Our products are all tested for quality control, you don't have to worry about its performance. Before the product is shipped, it will go through a strict inspection process. You can do a sample test first, and place a bulk order after the test is passed.

Drilling

Name: 82mm Dry Core Drill Bit for Concrete/Diamond Tool/Drilling
Brand: Shijiazhuang Corediam Tools Technology Co., Ltd.
SKU: 702613871

Hebei, ChinaShijiazhuang Corediam Tools Technology Co., Ltd.

US$10.00-50.00

20 Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Type

Core Drill

Usage

Masonry Drilling

Model NO.

CDSD

Certification

SGS

Manufacturing Technology

Laser Welding

Segment Height

10mm

Application

Dry Drilling Concrete, Reinforced Concrete

Installing Equipment

Hand-Held Drillers

Transport Package

Carone, Pallet

Specification

68mm, 72mm, 82mm

Trademark

COREDIAM

Origin

China

HS Code

82071910

Production Capacity

2000 Pieces/Month

Key features

Laser Welding Technology: Advanced laser welding ensures high welding strength and durability.

Turbo Segment Design: Superior sharpness enables fast drilling without segment burning.

Dry Drilling Capability: Designed for drilling concrete, reinforced concrete, and masonry without water.

SGS Certification: Product certified by SGS for quality assurance.

Multiple Size Options: Available in 68mm, 72mm, and 82mm diameters.

Strict Quality Control: All products undergo rigorous inspection and testing before shipment.

Fast Sample Delivery: Samples delivered within 1 week after order confirmation.

Customization Support: Customized lengths and segments available for wet core drills.

Company profile

Shijiazhuang Corediam Tools Technology Co., Ltd.

Hebei, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2007-01-01Nearest Port: Tianjin Seaport, Beijing Airport, Shanghai PortAverage Response Time: ≤3.44hTerms 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:How long has your factory been established?

Our factory has been established about 8 years.

Q:What is the monthly production capacity?

For sinter hot-pressed saw blade, 70000 to 80000 pcs per month. For cup wheel, 10000 pcs per month. For laser welded saw blade, 5000-6000 pcs per month. For core drill, 3000-5000 pcs per month.

Q:What is the annual export volume of your factory?

It is about 5 million USD.

Q:What is the payment method?

T/T or other payment methods can be negotiated.

Q:Can you provide free samples?

Generally not, customers usually pay more attention to paid samples.