What payment terms do you accept?

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

What are the suggested RPM ranges?

Suggested RPM ranges vary by bit type, from 1500 to 4500 RPM depending on the specific model.

Long Life Whole Piece Diamond Core Drill Bits-Diamond Crown Bits

Name: Long Life Whole Piece Diamond Core Drill Bits-Diamond Crown Bits
Brand: Wanlong Times Technology Co., Ltd.
SKU: 702265025

Fujian, ChinaWanlong Times Technology Co., Ltd.

Negotiable

100 pcs

Product profile

Customization

Available

Customized

Type

Core Drill Bit

Model NO.

diamond drilling tools

Material

Diamond

Usage

Drilling

Kind

Diamond Drill

Manufacturing Arts

Sinter

Product Name

Crown Bits

Dimension(mm)

10-20

Usable Length(mm)

Suggested R. P. M

3500-4300

Transport Package

According to Customer Request

Specification

Dimension: 10-20mm diamond drilling tools

Trademark

wanlong

Origin

Quanzhou

Production Capacity

100, 000, 000 PCS/Year

Key features

High Efficiency and Long Life: Features high efficiency, no-chipping performance, and extended service life.

Wide Dimension Range: Available in various sizes from 6.0mm to 150mm for different drilling needs.

Full Customization Available: Offers full customization, minor customization, and flexible customization options.

ISO and CE Certified: Manufactured under ISO9001:2015, ISO45000:2018, ISO14001 standards with CE certification.

100% Quality Inspection: Every finished product undergoes 100% visual inspection by 63 QA/QC inspectors.

Low MOQ: Minimum Order Quantity is 1 piece, allowing for flexible purchasing.

Fast Lead Time: Average lead time is one month for both peak and off-peak seasons.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceExhibition ExperienceOverseas Services

Wanlong Times Technology Co., Ltd.

Fujian, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 28 Years CertifiedNearest Port: Xiamen PortAverage Response Time: ≤1.55h

AI-Powered supplier vetting

SummaryThe supplier manufactures and sells non-ferrous metal alloys, mechanical equipment, special equipment, jewelry-related products, and oil-drilling equipment. It reports documented supplier-service, corrective-action, and complaint-handling procedures, in-stock capability, ODM and multiple customization options, and participation in the Marmomacc Shower trade show. Management-system certifications include ISO9001:2015, ISO45001:2018, and ISO14001, with CE product-certification capability. Its R&D function has 28 engineers, 26 years of total engineer experience, and available design audit documentation, but no new product was reported in the past year and no SDK is available. The supplier does not provide OEM services for popular brands, lacks overseas warehouses, showrooms, agents or branches, and reports no valid manufacturing-capacity contract with related subcontractors. Customer-specific case evidence is not provided.

Supplier typeThe stated business scope covers manufacturing and sales of non-ferrous metal alloys, mechanical equipment, special equipment, jewelry and ornaments, and oil-drilling special equipment. This identifies the supplier as a diversified manufacturer and seller rather than a service-only supplier.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, plus CE product-certification capability. However, the general supplier-management-system certification field is recorded only as “Others,” so the exact certification status in that field is not specified.

After-Sales capabilityThe supplier has documented and followed procedures for customer complaints, corrective and preventive actions, and effective supplier service capability. It also reports in-stock service capability, but has no overseas warehouse, showroom, overseas agent, or branch, which limits locally supported after-sales coverage.

R&D capabilityThe supplier has 28 R&D engineers, 26 years of total R&D-engineer experience, available design input/output, review, verification and validation documentation, and ODM capability. However, it reports no new product in the past year and no available SDK, indicating limitations in recent product innovation and software-development support.

Production capacityThe supplier reports more than 10 production lines, annual production output, in-stock capability, and one production line under the manufacturing-capacity entry. It lacks a valid contract with related subcontractors, so subcontracted manufacturing arrangements are not formally evidenced.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, together with ODM services. These statements directly support broad customization capability.