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Nq2 H9 Diamond Core Drill Bit for Exploration Drilling Tools
US$70.00
1-49 Pieces
US$65.00
50-99 Pieces
US$60.00
100+ Pieces

Product specifications

NQ2

Sample price:US$70.00/piece.Request sample

Product profile

Customization

Available

Customized

Customized

Standard

Internationally Accepted

Model NO.

NQ2

Length

15

Type

Core Drill Bit

Material

Diamond

Usage

Core Drilling

Crown Height

15mm Customization Supported

Water Outlets

Customization Supported

HRC

-10°-50°

Series

H3/H5/H7/H9/H11/H13

Transport Package

Wooden Box/Paper Box/Protective Box

Specification

Impregnated dimond bits

Trademark

EZdrill

Origin

Huanggang City, Hubei Province, China

HS Code

8207191000

Production Capacity

20000

Key features

15mm Standard Matrix: DCDMA-standard 15mm height delivers 25-30% more drilling footage and superior durability.
Extended Lifespan: Unique vacuum sintering and premium synthetic diamond significantly reduce replacement frequency.
Efficient Cooling Design: Curved flow channels reduce water resistance, effectively flushing cuttings and preventing overheating.
Wide Size Compatibility: Supports Wireline, T2, TT, T6, B, MLC, LTK, WF, TW, WT, WG, WM, and Chinese standard series.
Full Strata Coverage: 6 matrix series (H3-H13) cover soft to hardest rocks, eliminating the need to switch bits.
Customizable Options: Supports customization for Crown Height, Water Outlets, HRC, Diameter, Matrix, Label, and Logo.
Fast Delivery: 3-7 days for standard products; 20-25 days for customized orders; urgent orders shipped in 3 days.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceExperienced Team
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: 3 Years CertifiedNearest Port: Wuhan Port, Shanghai Port, Shenzhen PortAverage Response Time: ≤2.78h

AI-Powered supplier vetting

SummaryThe supplier manufactures and sells metal tools, non-metallic mineral products, non-ferrous metal alloys, construction machinery, geological exploration equipment, and specialized oil-drilling equipment. It reports 100% finished-product inspection, two quality inspectors, a stated annual core drill bit productivity of 240,000 pieces, and production equipment including laser cutting, milling, NC lathe, sawing, boring, heat press, and cold press machines. Customization is offered from samples, designs, and full specifications. The supplier holds ISO9001:2015 and CE certifications and reports regular fire drills. Peak- and off-season lead times are each within 15 workdays. However, it reports no valid manufacturing-capacity contract with related subcontractors, no inventory, no overseas warehouse, and no overseas showroom. OEM service for known brands is reported, but no customer names or specific cases are provided. Financial records contain stated numeric values but no currency or scale, so financial...
Supplier typeThe supplier is a manufacturer and seller of metal tools, non-metallic mineral products, non-ferrous metal alloys, construction machinery, geological exploration equipment, and specialized equipment for petroleum drilling and production. The stated scope supports classification as an industrial equipment and tooling manufacturer rather than a general trading supplier.
CertificationsThe supplier reports an ISO9001:2015 management-system certificate and CE product compliance certification in multiple slices. It also reports conducting regular fire drills during the past year, providing additional operational-safety evidence, although no separate fire-safety certification is stated.
Production capacityProduction evidence includes 100% finished-product inspection, two quality inspectors, listed machining and processing equipment, annual core drill bit productivity of 240,000 pieces, and lead times within 15 workdays in both seasons. The supplier also reports no valid manufacturing-capacity contract with related subcontractors and no inventory capability, which limits evidence regarding capacity resilience and fulfillment backup.
Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, and reports OEM service for well-known brands. These statements directly support a broad customization offering, although no project examples or technical customization limits are given.

Product Q&A

Q:What is the standard crown height and its benefit?
A:
The standard crown height is 15mm, which provides 25-30% more drilling footage and superior durability compared to the industry average.
Q:Which rock types can this drill bit handle?
A:
It covers all strata from soft sandstone to extremely hard quartzite using six matrix series (H3 to H13) based on Mohs hardness.
Q:What customization options are available?
A:
We support customization for crown height, water outlets, diameter, matrix, label, and logo. Drawings are required before production.
Q:What are the delivery times for standard and custom orders?
A:
Standard products take 3-7 working days, while customized products take 20-25 working days. Urgent orders ship within 3 days.
Q:Is there a refund policy for samples?
A:
Yes, the sample fee is 100% refunded for your next order if the quantity is 50 pieces or more.

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*To:Hubei EZdrill Tools Co., Ltd.
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