What is the expected lifespan of the drill bits?

They can typically drill more than 30 holes, depending on the material type.

What payment terms do you accept?

We accept LC, T/T, D/P, PayPal, and Western Union.

Glass Tile Porcelain Ceramic Diamond Tile Drill Bits Set with M14 Thread

Name: Glass Tile Porcelain Ceramic Diamond Tile Drill Bits Set with M14 Thread
Brand: Johnson Tools Manufactory Co., Ltd.
SKU: 1958170875

Jiangsu, ChinaJohnson Tools Manufactory Co., Ltd.

US$42.00

20 Sets

Sample price:US$42.00/set.Request sample

Product profile

Customized

Standard

SGS,GB

Length

62mm

Type

Core Drill Bit

Material

Diamond

Usage

Masonry Drilling, Ceramic, Porcelain, Stone.

Diameter

50mm

Total Length

62mm

Segment Height

15mm

Thread

M14 or 5/8"-11

Technology

Vacuum Brazed

Application

Wet Drilling or Dry Drilling

Delivery Date

15-20days

MOQ

20PCS

Transport Package

Aluminum Box Packaging

Specification

50MM

Trademark

Johnson Tools

Origin

China

Production Capacity

10000PCS/Month

Key features

Vacuum Brazed Technology: Superior to electroplating, offering significantly longer life and high precision drilling.

Versatile Material Application: Ideal for drilling porcelain, ceramic, tiles, masonry, and stone with minimal chipping.

High Precision Drilling: Aggressive design ensures smooth edges and super high precision on hard surfaces.

Flexible Customization: Available in full, minor, or sample-based customization with flexible options.

Multiple Diameter Options: Sizes available include 20mm, 35mm, 40mm, 50mm, and 68mm.

Dual Drilling Modes: Suitable for both wet drilling and dry drilling applications.

OEM and ODM Services: Manufacturer offers both OEM and ODM services for tailored production needs.

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: ≤3.82h

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.