Are sample fees refundable?

Yes, the sample fee is 100% refunded for your next order if the quantity is 50 pieces or more.

What payment terms are accepted?

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

Is OEM/ODM service available?

Yes, we offer OEM and ODM services including full customization from samples, designs, or minor adjustments.

Aq Nq Bq Hq Pq Diamond Impregnated Core Drill Bits

Name: Aq Nq Bq Hq Pq Diamond Impregnated Core Drill Bits
Brand: Hubei EZdrill Tools Co., Ltd.
SKU: 2262660365

Hubei, ChinaHubei EZdrill Tools Co., Ltd.

US$43.00

1 Piece

Product specifications

Q series

Sample price:US$43.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

Internationally Accepted

Model NO.

Q series

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

15mm Standard Crown Height: 25-30% more drilling footage than industry average, reducing replacement frequency.

6 Matrix Series for All Strata: H3 to H13 options cover soft to ultra-hard rocks, eliminating bit switching.

Premium Diamond & Sintering: Unique vacuum sintering with synthetic diamonds significantly improves sharpness and lifespan.

Optimized Water Outlet Design: Curved flow channels reduce resistance, improve drainage, and prevent overheating.

Flexible Customization Options: Supports custom crown height, water outlets, diameter, matrix, and logo printing.

Fast Sample & Order Delivery: Samples available in 1-3 days; standard orders ship in 3-7 days; urgent in 3 days.

OEM/ODM Service Available: Full customization from samples, designs, or minor adjustments with professional support.

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: ≤3.65h

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 crown height, water outlets, diameter, matrix, label, and logo. Drawings must be confirmed before production.

Q:What is the standard crown height and its benefit?

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

Q:How many matrix series are available for different rock types?

There are 6 matrix series (H3, H5, H7, H9, H11, H13) covering soft to ultra-hard rocks, allowing one bit to handle mixed strata without switching.

Q:What is the lead time for standard and customized orders?

Standard products ship in 3-7 working days. Customized products take 20-25 working days. Urgent orders can be shipped within 3 working days.

Q:What is the Minimum Order Quantity (MOQ)?

The Minimum Order Quantity is 10 pieces.