What are the payment terms?

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

Is custom labeling available?

Yes, we offer custom labels for batch numbers and specifications. Customization fees are waived for orders of 200 pieces or more.

What is the minimum order quantity?

The minimum order quantity is 10 pieces.

Hq3+1 H3 Long Life Diamond Drill Bit for Broken Rock Mining Drilling

Name: Hq3+1 H3 Long Life Diamond Drill Bit for Broken Rock Mining Drilling
Brand: Hubei EZdrill Tools Co., Ltd.
SKU: 2251185095

Hubei, ChinaHubei EZdrill Tools Co., Ltd.

US$95.00

1-49 Pieces

US$90.00

50-99 Pieces

US$85.00

100+ Pieces

Product specifications

HQ3+1

Sample price:US$90.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

Internationally Accepted

Model NO.

HQ3+1

Length

Type

Core Drill Bit

Material

Diamond

Usage

Core Drilling

Crown Height

12mm

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

Extended Lifespan: 15mm standard crown height increases lifespan significantly, reducing replacement frequency by 2-3 times.

Efficient Water Flow: Curved flow channels reduce water resistance and improve drainage to flush cuttings and cool the matrix.

Multi-Hardness Coverage: Six matrix series (H3-H13) cover soft to extremely hard rock strata without needing bit switches.

Premium Materials: Uses selected synthetic diamond and metal powder with unique vacuum sintering technology.

Fast Standard Delivery: Standard products delivered in 3-7 working days; urgent orders shipped within 3 days.

Customizable Features: Diameter, matrix, label, logo, crown height, and water outlets are fully customizable.

Sample Refund Policy: 100% refund of sample fee for next orders with quantity greater than or equal to 50 pieces.

OEM/ODM Service: Full customization, design-based customization, and flexible customization options available.

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: ≤1.07h

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 customization options are available?

We support customization for diameter, matrix, label, logo, crown height, and water outlets. Drawings are required for confirmation before production.

Q:What is the delivery time for standard orders?

Standard products are delivered within 3-7 working days. Urgent orders can be shipped within 3 working days.

Q:How does the 15mm crown height benefit drilling?

The 15mm standard matrix height provides 25-30% more drilling footage and reduces replacement frequency compared to the industry average of 10-12mm.

Q:What is the sample fee policy?

Samples of 1-3 pieces are available. The sample fee is 100% refunded for your next order if the quantity is 50 pieces or more.

Q:Which rock types are covered by the different matrix series?

The H3 to H13 series cover soft rock (shale), medium-hard rock (sandstone), hard rock (granite), and ultra-hard rock (quartzite).