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Made in China 42mm Diamond Dry Core Bits for Stone Drilling
US$10.00-25.00
5 Pieces
Sample price:US$1.70/piece.Request sample

Product profile

Customized

Customized

Standard

JIS, AISI

Length

Stub-length

Model NO.

15.2.2.2.6

Type

Core Drill Bit

Material

Metal Bond with Diamond

Usage

Masonry Drilling, Stone Drilling

Manufacturing Arts

Welding

Kind

Diamond Drill

Brand

Johnson Tools

Saw Blade External Diameter

51mm

MOQ

100PCS

Diameter

32mm

Transport Package

Carton

Specification

GB, Od45mm

Trademark

Johnsontool

Origin

China

HS Code

8207501000

Production Capacity

1000PCS/Month

Key features

SGS & MPA Certified: Products hold SGS and MPA certificates ensuring quality and safety standards.
Fast Drilling Speed: Premium grade core bits deliver fast drilling speed and extend product life.
Customizable Sizes: Size could be customized according to customer requirements.
Versatile Application: Suitable for drilling stone, granite, marble, sandstone, and limestone.
Silver Welded Tech: Advanced silver welding processing technology ensures durability.
Global Export Experience: Exported to more than 70 countries with rich producing experience since 2000.
Flexible Payment Terms: Supports T/T, L/C, PayPal, Western Union, and Credit Card.
OEM/ODM Service: Provides OEM and ODM services with flexible customization options.

Company profile

Johnson Tools Manufactory Co., Ltd.
Years of Export ExperiencePatents AwardedFast DeliveryOEM Services
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: ≤3.84h

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.

Product Q&A

Q:What is the delivery time for orders?
A:
If steel body is in stock, shipment is around 15 days. Otherwise, it takes around 20-30 days.
Q:What are the payment terms?
A:
We accept T/T, Irrevocable L/C at sight, PayPal, Western Union, and Credit Card.
Q:Can the size of the core bit be customized?
A:
Yes, the size could be customized according to customer requirements.
Q:What materials can this core bit drill?
A:
It is suitable for masonry drilling, stone drilling, including granite, marble, sandstone, and limestone.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 100 PCS.

Send Inquiry

*To:Johnson Tools Manufactory Co., Ltd.Johnson Tools Manufactory Co., Ltd.
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