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6.5mm to 250mm Stone and Concrete Diamond Core Bits

Name: 6.5mm to 250mm Stone and Concrete Diamond Core Bits
Brand: Johnson Tools Manufactory Co., Ltd.
SKU: 742303145

Jiangsu, ChinaJohnson Tools Manufactory Co., Ltd.

Negotiable

20 Pieces

Product profile

Type

Core Drill Bit

Material

Diamond

Usage

Masonry or Concrete

Model NO.

15.2.1

Manufacturing Arts

Welding

Kind

Diamond Drill

Graininess

#30/40

Brand

Johnson Tools

Saw Blade External Diameter

6.5-250mm

Outer Diameter

6.5-250mm

Transport Package

Carton

Specification

Trademark

Johnson Tools

Origin

China

HS Code

8207501000

Production Capacity

1000PCS/Month

Key features

Wide Size Range: Available in outer diameters from 6.5mm to 250mm for various drilling needs.

Customizable Sizes: Size can be customized strictly according to customer requirements.

Premium Material: Made with premium grade diamond for fast drilling speed and extended product life.

Versatile Applications: Suitable for drilling stone, granite, marble, sandstone, limestone, and concrete.

Certified Quality: Holds SGS and MPA certificates with over 20 years of manufacturing experience.

Flexible Delivery: Shipment in 15 days if steel body is in stock, otherwise 20-30 days.

Global Export Experience: Exporting to over 70 countries with well-approved products worldwide.

Company profile

Years of Export ExperiencePatents AwardedFast DeliveryOEM Services

Johnson Tools Manufactory Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 17 Years CertifiedNearest Port: Shanghai Port, Ningbo, QingdaoAverage Response Time: ≤4.93h

AI-Powered supplier vetting

SummaryThe supplier provides OEM and ODM services and supports extensive customization, including sample-, design-, full-, minor-, and flexible customization. It has 17 years of export experience, self-managed import/export rights, 90% export sales, and accepts multiple trade and payment terms. Production is conducted on one line, supported by 11–20 quality-control staff and stated advanced equipment and checking systems. However, no management-system certifications, SDK, new products in the past year, overseas service facilities, or offline trade-show participation are reported. Service procedures and complaint handling lack written records, and production batches are not continuously reconciled. Financial and cash-flow evidence is limited to year labels, so financial credibility cannot be conclusively assessed.

Supplier typeThe supplier is an OEM/ODM manufacturer with its own factory location, one production line, stated production output, advanced equipment, and a technical workforce. It also provides export services directly through self-managed import/export rights, indicating a manufacturing-oriented supplier rather than a pure trading intermediary.

CertificationsThe supplier’s certification of management systems is explicitly listed as NIL. This is a stated absence of certification evidence and represents a deficiency for this field.

After-Sales capabilityThe supplier has a complaint-handling procedure, but no written records, and it lacks written service-assessment and corrective/preventive-action procedures or records. It also reports no overseas warehouses, showrooms, agents, branches, or offline trade-show participation, limiting documented overseas service support.

R&D capabilityThe supplier provides ODM and broad design customization, but reports no available SDK and no new products during the past year. These explicit limitations outweigh the design-service evidence when assessing demonstrated recent innovation capability.

Production capacityThe supplier reports one production line, 11–20 quality-control staff, advanced production and checking equipment, and flexible export fulfillment with one-month lead times in both peak and off-season. However, it does not continuously reconcile quantities for each batch or mass production, so production controls are not fully documented.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also offers ODM services. This is strong direct evidence of broad customization capability.