What payment methods do you accept?

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

Can I get custom branding on the drill bits?

Yes, we offer custom product labels and corporate logos. The customization fee is waived for orders of 200 pieces or more.

What is the manufacturing quality control process?

We perform 100% inspection including visual and function checks, ensuring precise dimensions and high-quality finished products.

Hq3 Impregnated Core Drill Bits

Name: Hq3 Impregnated Core Drill Bits
Brand: Hubei EZdrill Tools Co., Ltd.
SKU: 2256987765

Hubei, ChinaHubei EZdrill Tools Co., Ltd.

US$105.00

1-49 Pieces

US$100.00

50-99 Pieces

US$95.00

100+ Pieces

Product specifications

HQ3 series

Sample price:US$105.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

Internationally Accepted

Model NO.

HQ3

Length

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

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

Superior Drainage Efficiency: Evenly spaced water outlets with curved flow channels reduce resistance and flush cuttings effectively.

Wide Rock Coverage: Six matrix series (H3-H13) cover soft to ultra-hard strata including granite, quartzite, and basalt.

Customizable Dimensions: Crown height, water outlets, and HRC angles are fully customizable to meet specific project needs.

Premium Material Composition: Made with selected synthetic diamond and metal powder using unique vacuum sintering technology.

Fast Standard Delivery: Standard orders ship within 3-7 working days; urgent orders can be shipped within 3 days.

Custom Branding Support: Custom labels and logos available; customization fee waived for orders of 200 pieces or more.

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: ≤1.79h

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?

The standard crown height is 15mm, which provides 25-30% more drilling footage and superior durability compared to the industry average of 10-12mm.

Q:Which rock types can these drill bits handle?

The bits cover a full range of strata from soft sandstone and shale to ultra-hard quartzite and calcite using six different matrix hardness series (H3 to H13).

Q:Is customization available for this product?

Yes, crown height, water outlets, HRC angles, diameter, matrix, label, and logo are all customizable. Drawings must be confirmed before production.

Q:What are the delivery times for standard and custom orders?

Standard products take 3-7 working days, while customized products require 20-25 working days. Urgent orders can be shipped within 3 working days.

Q:What is the minimum order quantity and sample policy?

The minimum order quantity is 10 pieces. Samples of 1-3 pieces are available, with a 100% refund of the sample fee for subsequent orders of 50 pieces or more.