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Vacuum Brazed Hole Saw Diamond Core Drill Bits for Porcelain Ceramic Tile Marble Brick
US$9.90
20-199 Pieces
US$9.70
200+ Pieces
Sample price:US$9.90/piece.Request sample

Product profile

Customized

Customized

Standard

SGS,GB

Length

62mm

Model NO.

D08D55M14

Type

Core Drill Bit

Material

Diamond

Usage

Masonry Drilling, Ceramic, Porcelain, Stone.

Diameter

55mm

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

55MM

Trademark

Johnson Tools

Origin

China

Production Capacity

10000PCS/Month

Key features

Vacuum Brazed Technology: Superior to electroplating, offering significantly longer lifespan and durability.
High Precision Drilling: Aggressive cutting ideal for porcelain and ceramic tiles with smooth edges and minimal chipping.
Extended Hole Capacity: Capable of drilling more than 30 holes depending on the material type.
Full Customization Options: Supports customization from samples, designs, and flexible minor adjustments.
Versatile Application: Suitable for wet or dry drilling in masonry, ceramic, porcelain, and stone.

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: ≤4.41h

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 difference between vacuum brazed and electroplated bits?
A:
Vacuum brazed technology is superior to electroplating, providing a much longer lifespan for the diamond bits.
Q:What materials can this drill bit be used on?
A:
It is ideal for drilling porcelain, ceramic, tile, marble, brick, and masonry.
Q:What are the available customization options?
A:
We offer full customization, customization from samples, customization from designs, and flexible minor customization.
Q:What is the typical lifespan of these drill bits?
A:
They can typically drill more than 30 holes, although the exact life depends on the type of material being drilled.
Q:What is the minimum order quantity (MOQ)?
A:
The minimum order quantity is 100 pieces.

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