Can I get a sample for testing?

Yes, 1-3 pieces are available for testing. The sample fee is fully refunded for your next order if the quantity is 50 pieces or more.

Which rock types are suitable for this drill bit?

The drill bits cover various strata from soft sandstone to ultra-hard quartzite using H3 to H13 matrix hardness levels.

What is the packaging method?

Each bit is packed in a PVC box, then placed in cartons (6/10/20 pcs), and finally sealed in solid wood crates.

Nq+2 Impregnated Core Drill Bits Nqtt

Name: Nq+2 Impregnated Core Drill Bits Nqtt
Brand: Hubei EZdrill Tools Co., Ltd.
SKU: 2256988705

Hubei, ChinaHubei EZdrill Tools Co., Ltd.

US$70.00

1-49 Pieces

US$65.00

50-99 Pieces

US$60.00

100+ Pieces

Product specifications

NQ+2

Sample price:US$70.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

Internationally Accepted

Model NO.

NQ+2

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: Delivers 25-30% more drilling footage compared to industry average.

Multi-Hardness Matrix Series: H3 to H13 options cover soft to ultra-hard rock strata without switching bits.

Customizable Crown Height: Crown height customization supported to meet specific drilling requirements.

Optimized Water Outlet Design: Evenly spaced outlets with curved channels reduce resistance and improve cooling.

Premium Diamond Material: Synthetic diamond and metal powder ensure significantly improved sharpness and lifespan.

Fast Standard Delivery: Standard products shipped within 3-7 working days with priority for urgent orders.

Customizable Labels and Logos: Free customization for orders over 200 pieces to meet branding needs.

Vacuum Sintering Technology: Unique process enhances drill bit durability and service life significantly.

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: ≤1.11h

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.