What are the payment terms?

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

Do you offer sample testing?

Yes, 1-3 pieces are available for testing, and the sample fee is fully refunded for future orders of 50 pieces or more.

Are OEM and ODM services available?

Yes, we provide OEM and ODM services including full customization, customization from designs, and flexible customization options.

Nq Nqtt Nq2 Nq3 Diamond Impregnated Core Drill Bits

Name: Nq Nqtt Nq2 Nq3 Diamond Impregnated Core Drill Bits
Brand: Hubei EZdrill Tools Co., Ltd.
SKU: 2253350835

Hubei, ChinaHubei EZdrill Tools Co., Ltd.

US$55.00

1 Piece

Product specifications

NQ series

Sample price:US$55.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

Internationally Accepted

Model NO.

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 Lifespan Design: 15mm standard crown height increases lifespan by 25-30% compared to industry average.

Multi-Hardness Matrix Series: Six series (H3-H13) cover soft to ultra-hard rock strata without bit switching.

Efficient Water Cooling System: Curved flow channels reduce resistance, improve drainage, and prevent overheating.

Premium Diamond Material: Uses synthetic diamond and pre-alloy powder with unique vacuum sintering technology.

Customizable Dimensions: Supports customization for crown height, water outlets, and specific series requirements.

Fast Standard Delivery: Standard orders ship within 3-7 working days; urgent orders prioritized.

Custom Branding Options: Free custom labels and logos for orders over 200 pieces.

Comprehensive Size Range: Available in Wireline, T, TT, T6, B, MLC, LTK, WF, TW, WT, WG, WM, and Chinese standard sizes.

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.