What is the size range of the drill bits?

The outer diameter ranges from 2mm to 38mm or 20mm to 48mm, with lengths from 6mm to 180mm.

Do you provide OEM services?

Yes, we provide both OEM and ODM services with 3 dedicated R&D engineers.

Diamond Countersink Tools Vacuum Brazed Chamfer Drill Bits

Name: Diamond Countersink Tools Vacuum Brazed Chamfer Drill Bits
Brand: Johnson Tools Manufactory Co., Ltd.
SKU: 940048785

Jiangsu, ChinaJohnson Tools Manufactory Co., Ltd.

US$21.00

5-99 Sets

US$20.00

100+ Sets

Sample price:US$21.00/set.Request sample

Product profile

Customized

Standard

SGS,GB

Length

6mm to 180mm Outer Diameter.

Model NO.

OT08

Type

Core Drill Bit

Material

Diamond

Usage

Masonry Drilling, Ceramic, Porcelain, Stone.

Thread

M14(5/8"-11 Also Could Be Provided)

Application

for Rough Holes in Glass, Ceramic and Porcelain Ti

Delivery Date

Around 15days

Transport Package

White Box, Blister Card Packing.

Specification

2-38mm/20-48mm

Trademark

Johnson Tools

Origin

China

Production Capacity

30000sets/Month

Key features

Vacuum Brazed Technology: Ensures long working life and high-end finish for durable performance.

Versatile Material Usage: Ideal for masonry drilling, ceramic, porcelain, and stone applications.

Crack Risk Reduction: Reduces cracking risk on standard and large format tiles under tension.

Edge Finishing Improvement: Significantly improves the edge finishing quality of exposed holes.

Flexible Customization: Offers full, minor, and flexible customization from samples or designs.

Fast Delivery Time: Typical delivery around 15 days for standard orders.

Comprehensive OEM/ODM: Full OEM and ODM services available with 3 R&D engineers.

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: ≤3.65h

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.