What welding technology is used for these drill bits?

They are laser welded using advanced full-automatic laser welding machines to ensure high welding strength.

What is the typical lifespan of these dimple core drills?

The dimple segment design achieves a super long drilling lifespan, especially in heavy reinforced concrete applications.

What are the main markets served by Corediam?

Main markets include North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, and Western Europe.

127mm Diamond Core Drill Bits for Concrete/Reliable Supplier

Name: 127mm Diamond Core Drill Bits for Concrete/Reliable Supplier
Brand: Shijiazhuang Corediam Tools Technology Co., Ltd.
SKU: 740318222

Hebei, ChinaShijiazhuang Corediam Tools Technology Co., Ltd.

US$10.00-30.00

20 Pieces

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Type

Core Drill

Usage

Masonry Drilling, Reinforced Conrete Drilling

Model NO.

CWDD

Segment Height

10mm

Diameter

25-400mm

Connection

1 1/4" Unc

Drilling Materials

Reinforced Concrete

Transport Package

Carton, Case, Pallet

Specification

350x10x450mm

Trademark

COREDIAM

Origin

China

HS Code

82071910

Production Capacity

2000 Pieces Per Month

Key features

Laser Welded Dimple Design: Advanced laser welding ensures high strength and super long lifespan in heavy reinforced concrete.

Wide Size Range: Available diameters from 25mm to 350mm to meet various drilling requirements.

Customizable Specifications: Segment height, working length, and connection type can be customized per request.

High Efficiency Drilling: Sharp segments achieve fast drilling speeds, especially when cutting through steel reinforcement.

Versatile Application: Suitable for wet drilling of concrete, reinforced concrete, and masonry materials.

Fast Sample Delivery: Samples delivered within 2 weeks after order confirmation.

Reliable Batch Lead Time: Batch orders delivered within 3 weeks after payment confirmation.

Professional Manufacturer: High-tech enterprise specializing in innovative diamond tools for construction and DIY markets.

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: ≤3.47hTerms 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.