Is this drill bit suitable for wet drilling?

It is designed for dry drilling; the wax content helps cool the bit without water entry.

What is the warranty or quality guarantee?

We conduct 100% inspection (visual and function) on finished products to ensure quality.

Hot Sale 6mm Drill Bit Vacuum Brazed Diamond Core Drilling Bits for Porcelain Tile

Name: Hot Sale 6mm Drill Bit Vacuum Brazed Diamond Core Drilling Bits for Porcelain Tile
Brand: Johnson Tools Manufactory Co., Ltd.
SKU: 2013364865

Jiangsu, ChinaJohnson Tools Manufactory Co., Ltd.

US$2.80

20 Pieces

Sample price:US$2.80/piece.Request sample

Product profile

Type

Core Drill

Usage

Porcelain,Tile Drilling

Color

Black

Model NO.

Advantage

High Efficiency

Transport Package

Shipping, White Box and Sleeve

Specification

6.2cm*0.6cm*0.6cm

Trademark

Johnson Tools

Origin

China

Production Capacity

10000PCS/Month

Key features

Vacuum Brazing Technology: Provides longer service life, less debris, and less breakage compared to electroplating.

High Efficiency Drilling: High diamond exposure rates ensure faster, more aggressive drilling performance.

Dry Drilling Capability: Contains wax for cooling, allowing dry drilling without water entry.

Wide Application Range: Suitable for drilling porcelain, tile, ceramic, granite, marble, and stone.

OEM/ODM Customization: Supports full customization, minor customization, and flexible customization options.

Premium Material Quality: Made of high-quality materials ensuring durability and 100% brand new quality.

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: ≤4.52h

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.