What is the working length of the drill bit?

The working length is around 60mm.

What packaging options are available?

Common packages include white box, plastic box, and aluminium box, with custom options available.

8mm Diamond Core Drill Bits Hole Saw for Drilling Ceramic Tile M14

Name: 8mm Diamond Core Drill Bits Hole Saw for Drilling Ceramic Tile M14
Brand: Johnson Tools Manufactory Co., Ltd.
SKU: 1916990645

Jiangsu, ChinaJohnson Tools Manufactory Co., Ltd.

US$2.90

10-99 Pieces

US$2.80

100-199 Pieces

US$2.70

200+ Pieces

Sample price:US$3.00/piece.Request sample

Product profile

Customized

Standard

DIN

Length

Jobber-length

Model NO.

D08D8M14

Type

Core Drill Bit

Material

Diamond

Usage

Tile Ceramic Drilling

Product Name

Professional Od35mm Diamond Drill Bits Dry Drillin

Technology

Vacuum Brazed

Size

8mm

Working Length

10mm

Thread

M14 or 5/8"-11

Drilling Material

Drilling Tile Ceramic Porcelain

Usage Form

Dry Drilling

Advantage

Fast Drilling

Transport Package

Carton

Specification

Trademark

Johnson Tools

Origin

China

HS Code

8207501000

Production Capacity

10000PCS/Month

Key features

Vacuum Brazed Technology: Ensures high efficiency and durable performance for dry drilling applications.

Fast Drilling Capability: Designed for rapid drilling speed with neat, round, and smooth openings.

Long Service Life: High quality diamond material allows drilling approximately 50 holes per bit.

Dry Drilling Design: Suitable for tile, ceramic, and porcelain without requiring water coolant.

Customization Options: Available in various sizes from 5mm to 180mm with flexible customization.

Rust Prevention: Paint spraying treatment protects the drill bit from rusting.

Efficient Chip Removal: Large chip removal hole reduces cutting resistance for easier operation.

OEM/ODM Service: Full customization and minor customization available based on client designs.

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: ≤4.06h

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.