What are the common packaging options?

Common packages include white boxes, plastic boxes, and aluminum boxes, with other options available upon request.

What are the main benefits of using vacuum brazed technology?

It provides a high-end finish, good performance, long working life, and reduces the risk of cracking in tiles.

Good Sell 20-40mm Diamond Countersink Tools Vacuum Brazed Chamfer Drill Bits

Name: Good Sell 20-40mm Diamond Countersink Tools Vacuum Brazed Chamfer Drill Bits
Brand: Johnson Tools Manufactory Co., Ltd.
SKU: 1907419655

Jiangsu, ChinaJohnson Tools Manufactory Co., Ltd.

US$12.00

50-99 Sets

US$11.50

100-499 Sets

US$11.00

500+ Sets

Product profile

Customized

Standard

DIN

Length

Working Length

Type

Core Drill Bit

Material

Diamond

Product Name

Dry Drilling Diamond Drill Bits for Cer

Technology

Vacuum Brazed

Size

20-48mm

Working Length

60mm

Thread

Hex Shank or Quick Release

Drilling Material

Drilling Tile Ceramic Porcelain

Usage Form

Dry Drilling

OEM

Accepted

Diamond Grit

#34/40,#40/50,#50/60

Connection

M14

Transport Package

Carton

Specification

Trademark

Johnson Tools

Origin

China

HS Code

8207501000

Production Capacity

1000PCS/Month

Key features

Vacuum Brazed Technology: Ensures high-end finish, good performance, and long working life for the drill bits.

Reduces Cracking Risk: Useful for reducing cracking risk with standard and large format tiles under tension.

Improves Edge Finishing: Very useful to improve the edge finishing of exposed holes in ceramic and porcelain.

Versatile Application: Designed for cleaning holes, beveling, chamfering, and stress relieving in glass and tiles.

Flexible Customization: Supports OEM, customization from samples/designs, and flexible minor customization options.

Multiple Size Options: Available in sizes ranging from 2-38 mm to 20-48 mm to meet various drilling needs.

Manufacturer Direct: Sold directly by a manufacturer with 17 years of export experience and QA/QC inspection.

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: ≤4.32h

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.