What is the delivery time for batch orders?

Batch orders are delivered within 2-3 weeks after payment is confirmed.

What technology is used to manufacture these core drills?

They are manufactured using vacuum brazing technology to ensure diamonds have a good combination with the tube.

32mm-102mm Hole Saw and Vacuum Brazed Diamond Core Drill Bits

Name: 32mm-102mm Hole Saw and Vacuum Brazed Diamond Core Drill Bits
Brand: Shijiazhuang Corediam Tools Technology Co., Ltd.
SKU: 745027532

Hebei, ChinaShijiazhuang Corediam Tools Technology Co., Ltd.

US$5.00-20.00

20 Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Type

Core Drill

Usage

Stone, Tile Drilling

Model NO.

SVCD

Manufacturing Technology

Vacuum Brazing

Segment Height

3/5mm

Application

Drilling Tile, Granite, Marble and Natural Stone

Installing Equipment

Hand-Held Drillers

Transport Package

Carone, Case, Pallet

Specification

20mm-102mm

Trademark

COREDIAM

Origin

China

HS Code

82071910

Production Capacity

2000 Pieces Per Month

Key features

Vacuum Brazed Technology: Diamonds are brazed in vacuum equipment ensuring superior combination with the tube.

Wide Size Range: Available in common sizes ranging from 20mm to 102mm for various drilling needs.

Customizable Lengths: We accept customized lengths and segments for wet core drills.

OEM Packaging Service: Custom packaging options including blister packs, paper inserts, and design services.

Superior Drilling Efficiency: Designed for drilling tile, granite, marble, and natural stones with excellent speed.

Clear Edge Performance: Drills stones with a clear edge, ensuring high-quality results.

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

Project Solution Design: Expert assistance in designing total solutions for core drilling projects.

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: ≤3.80hTerms 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.