Which rock types can this drill bit handle?

The bit covers six hardness series (H3 to H13), suitable for soft sandstone, medium-hard granite, hard quartzite, and extremely hard basalt.

Do you offer OEM and ODM services?

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

What is the refund policy for samples?

We provide a 100% refund of the sample fee for your next order if the order quantity is 50 pieces or more.

Nq3 Diamond Reaming Shell Wireline Core Drilling Tool for Core Drill Bits Reaming Shell

Name: Nq3 Diamond Reaming Shell Wireline Core Drilling Tool for Core Drill Bits Reaming Shell
Brand: Hubei EZdrill Tools Co., Ltd.
SKU: 2260862705

Hubei, ChinaHubei EZdrill Tools Co., Ltd.

US$45.00

1-49 Pieces

US$40.00

50-99 Pieces

US$35.00

100+ Pieces

Product specifications

NQ

Sample price:US$40.00/piece.Request sample

Product profile

Customization

Available

Type

Core Drill

Usage

Core Drill

Model NO.

NQ3

Certification

ISO9001

Transport Package

Plastic Film, Box, Cardboard Box, Wooden Box

Specification

BQ/NQ/HQ/PQ

Trademark

EZdrill

Origin

Huanggang City, Hubei Province, China

HS Code

8431432000

Key features

Extended Drill Bit Lifespan: Unique vacuum sintering technology significantly improves sharpness and lifespan, reducing replacement frequency by 2-3 times.

15mm Standard Crown Height: Features a 15mm matrix height (vs. 10-12mm industry average) delivering 25-30% more drilling footage.

Optimized Water Outlet Design: Evenly spaced outlets with curved channels reduce water resistance, improve drainage, and prevent overheating.

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

Wide Size Compatibility: Available in Wireline, T, TT, T6, B, MLC, LTK, WF, TW, WT, WG, WM, and Chinese standard series.

Customizable Product Features: Offers customization for diameter, matrix, crown height, water outlets, labels, and logos.

Fast Delivery for Urgent Orders: Standard products ship in 3-7 days; urgent orders prioritized for shipment within 3 working days.

Sample Fee Refund Policy: 100% refund of sample fee on next order if quantity is 50 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: ≤1.83h

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 offer customization for diameter, matrix, crown height, water outlets, labels, and logos. Drawings are required for confirmation before production.

Q:How long does delivery take?

Standard orders take 7-15 working days, while customized or large quantity orders take less than a month. Urgent orders can ship within 3 days.

Q:What is the minimum order quantity?

The minimum order quantity is 10 pieces.

Q:Are samples available for testing?

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

Q:What payment methods do you accept?

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