What payment methods do you accept?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Does the product come with a warranty?

The product is backed by our company's quality control processes and is designed for superior durability.

What is the maximum drilling size available?

The product is available in sizes up to 125mm, with other sizes ranging from 5mm to 115mm.

Premium Diamond Core Drill Bit Set for Accurate Cutting

Name: Premium Diamond Core Drill Bit Set for Accurate Cutting
Brand: Beijing Deyi Diamond Products Co., Ltd.
SKU: 2256322875

Beijing, ChinaBeijing Deyi Diamond Products Co., Ltd.

US$1.97

1-49 pieces

US$1.88

50-99 pieces

US$1.60

100+ pieces

Product profile

Customization

Available

Customized

Length

65mm

Type

Core Drill Bit

Material

Diamond

MOQ

1piece

Color

Custom

Diamond Grit

30/40#, 40/50#, 50/60#

Diamond Width

5mm, 10mm, 15mm

Trademark

deyi

Origin

China

Key features

Customizable Diamond Grit: Available in 30/40#, 40/50#, and 50/60# grits to suit specific material needs.

Customizable Diamond Width: Offered in 5mm, 10mm, and 15mm widths upon customer request.

Customizable Color: Painting colors can be customized according to RAL and PANTONE standards.

Dry and Wet Drilling: Designed for both dry use and water-assisted drilling for enhanced performance.

High Efficiency Drilling: Capable of drilling a hole within 5 seconds with superior sharpness.

Self-Cooling and Sharpening: Features self-cooling and self-sharpening properties for extended tool life.

Wide Size Range: Available in sizes from 5mm to 125mm for various drilling applications.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Beijing Deyi Diamond Products Co., Ltd.

Beijing, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 20 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤3.35h

AI-Powered supplier vetting

SummaryThe supplier is a limited company engaged in processing diamond and stone tools, including diamond saw blades and drill bits. It reports an associated company, 11 employees, production and sales operations, and a production base that began operation in 2019. The supplier offers extensive customization and ODM services, but does not provide 3D software design, has no SDK, and reported no new products in the past year. Service-management procedures for supplier assessment, corrective actions, and customer complaints are documented and followed. Overseas support is limited: there are no overseas warehouses, showrooms, agents, or branches, and the stated overseas-service country count is zero. The supplier has participated in one named offline trade show and reports 20 years of export experience, with exports representing 90% of total sales. No certification information or customer cases are provided. Financial figures are excluded from this assessment.

Supplier typeThe supplier is identified as a limited company with a combined company type, an associated company, and business activities covering diamond-tool and stone-tool processing plus sales of related equipment, materials, and accessories. Its listed products are diamond saw blades and diamond drill bits.

After-Sales capabilityThe supplier has documented and followed procedures for handling customer complaints, corrective and preventive actions, and service-capability assessment. However, it reports no overseas warehouse, showroom, agent, or branch, and the stated number of countries offering overseas services is zero, indicating limited physical overseas support.

Production capacityThe supplier has a stated production base in Huanggang that officially began operation in 2019, and its business scope includes processing diamond and stone tools. The available information does not provide capacity, equipment, output, or factory-scale metrics, preventing a stronger assessment.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, flexible customization, and ODM services. These repeated service descriptions provide direct evidence of broad customization capability.