What payment terms do you accept?

We accept T/T, L/C, D/P, PayPal, Western Union, and Small-amount payment.

How do I select the right drill bit?

Please provide the rock type, hardness, abrasiveness, and completeness. This helps us recommend the most accurate and appropriate bit for your ground situation.

Nq2 H11 Impregnated Diamond Core Drill Bit

Name: Nq2 H11 Impregnated Diamond Core Drill Bit
Brand: Hubei EZdrill Tools Co., Ltd.
SKU: 2267428715

Hubei, ChinaHubei EZdrill Tools Co., Ltd.

US$58.00

1 Piece

Product specifications

Model Number

Product profile

Customization

Available

Warranty

1year

Certification

CE, ISO 9001:2015

Model NO.

Standard

Dcdma

Surface Treatment

Spray-Paint

Manufacturing Process

Forging

Material

Carbon Steel

Usage

Mine Drilling

Processing Type

Forging

Machine Type

Drilling Tool

Use

Ore Mining

Selling Units

Single Item

Single Package Size

10X10X13cm

Matrix Height

12/15mm

Customized Type

Crown Height & Water Outles & Thread&Others

Packing

Carton Box

Single Gross Weight

1.000kg

Applicable

Industries Energy&Mining

Model

Aq Bq Nq Hq Pq etc

Machinery Test

Report Provided

Matrix Hardness

H3-H13

Video Outgoing-

Inspection Provided

Transport Package

Box

Specification

Trademark

Ezdrill

Origin

Hubei, China

Key features

Customizable Matrix: Premium synthetic diamond and metal powder with unique vacuum sintering technology.

Extended Lifespan: 15mm standard crown height increases lifespan and reduces replacement frequency by 2-3 times.

Optimized Water Outlets: Curved flow channels reduce water resistance and improve drainage efficiency to prevent overheating.

Wide Size Range: Available in AQ, BQ, NQ, HQ, PQ, T2, TT, T6, B, MLC, LTK, WF, TW, WT, WG, WM, AX, BX, and Chinese standards.

Multi-Hardness Options: Matrix hardness H3-H13 available to match soft to extremely hard rock types like granite and quartzite.

OEM & ODM Support: Customization for diameter, matrix, label, and logo with drawings confirmation before production.

Fast Delivery: In-stock items ship within 48 hours; standard orders take 7-15 days; customized orders 7-10 days.

High Precision Quality: Manufactured with high-precision technology ensuring precise dimensions and 100% finished product inspection.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceExperienced Team

Hubei EZdrill Tools Co., Ltd.

Hubei, 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: 3 Years CertifiedNearest Port: Wuhan Port, Shanghai Port, Shenzhen PortAverage Response Time: ≤4.99h

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:Are you a manufacturer or a trader?

We are the manufacturer, and our R&D team has nearly 30 years of experience in diamond tool manufacturing.

Q:Do your products support customization?

Yes, we support OEM & ODM, and products can be manufactured according to your usage requirements. However, customized products usually have a minimum order quantity.

Q:What is your delivery cycle?

In-stock products will be available within 48 hours, while customized products typically take 7-10 days.

Q:If I'm a new customer, what's the safest and fastest way for me to make a payment?

We accept wire transfers, PayPal, and credit card payments.

Q:What is the minimum order quantity?

The minimum order quantity is 10 Pcs.