Will mismatched tool sets cause drilling failure?

Our reaming shells follow DCDMA standard threads, fully compatible with AQ/BQ/NQ/HQ/PQ series core barrels and bits, avoiding connection mismatch issues.

What's the impact of unstable borehole on core sampling?

Unstable holes lead to core breakage and low recovery rate. The reamer straightens the borehole, guarantees complete rock core and improves sampling accuracy.

Dcdma Standard Diamond Reaming Shell for Geological Core Drilling

Name: Dcdma Standard Diamond Reaming Shell for Geological Core Drilling
Brand: Cge Group Wuxi Drilling Tools Co., Ltd.
SKU: 2161457142

Jiangsu, ChinaCge Group Wuxi Drilling Tools Co., Ltd.

US$60.00

1-99 Pieces

US$56.00

100-499 Pieces

US$53.00

500+ Pieces

Product profile

After-sales Service

6 Month

Warranty

6 Month

Certification

RoHS, ISO 9001:2000

Model NO.

BQ Reaming

Standard

ISO 9001/ISO 5001

Surface Treatment

Without Processing

Manufacturing Process

Casting

Material

Carbon Steel

Transport Package

Pallet Transportation

Specification

BQ Stabilizer Ring

Trademark

CGE

Origin

Jiangsu, China

Key features

*High-strength alloy steel body: Forged & heat-treated, high toughness, anti-impact, durable for deep and hard rock drilling.

*Diamond impregnated / surface-set: Premium natural or synthetic diamond, high hardness, excellent abrasion resistance, long service life.

*Spiral gauge pads & waterways: Optimized spiral design reduces drilling resistance, improves cuttings removal, prevents bit balling and stuck pipe.

*Standard DCDMA threads: Compatible with AQ/BQ/NQ/HQ/PQ wireline core barrels, easy to connect and replace.

*High efficiency & long life: Single reamer footage up to 3,000 m+, pure drilling time 250 h+, reduces trip-out frequency and lowers cost.

*Excellent gauging & stabilization: Strong centering & straightening effect, minimizes hole deviation, ensures borehole roundness and stability.

*Superior cutting & removal: Sharp diamond edges + spiral waterways, fast reaming, smooth cuttings discharge, suitable for soft to extremely hard formations.

*Wide formation adaptability: Works in clay, sandstone, limestone, granite, and broken formations; ideal for deep hole and complex strata.

*Reliable quality: ISO certified, strict quality control, consistent performance in harsh drilling conditions.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Cge Group Wuxi Drilling Tools Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 45 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤24h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryCge Group Wuxi Drilling Tools Co., Ltd. is a China-based, state-owned supplier established in 1980 with 162 employees, offering drill pipes, drill bits, and drilling accessories. It reports broad customization capability, documented inspection and service procedures, and machinery including CNC, hot-press, grinding, milling, sawing, drilling, and automatic CNC production equipment. The supplier holds ISO9001:2015, ISO45001:2018, and ISO14001 certifications and conducted regular fire drills during the past year. Its R&D function introduced new products during the past year and supports customization, but it does not provide ODM services or an SDK. Overseas service infrastructure is limited: it reports no overseas warehouses, showrooms, agents, branches, offline trade-show participation, or countries served. Financial information is represented only by years, without performance values, so financial credibility cannot be fully assessed. No customer cases are provided.

Supplier typeThe supplier is identified as Cge Group Wuxi Drilling Tools Co., Ltd., a state-owned company in Wuxi, Jiangsu, China, established in 1980, with 162 employees. Its stated product scope is drill pipe, drill bits, and drilling accessories, and it is not identified as part of a larger company group.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications. These explicitly indicate coverage of quality, occupational health and safety, and environmental management systems.

R&D capabilityThe supplier reports new products during the past year and supports customization from samples, designs, full customization, minor customization, and flexible customization. It does not provide an SDK or ODM services, so the evidence supports product development activity but not a complete innovation-service offering.

Production capacityThe listed equipment includes CNC lathes, hot-press, grinding, milling, sawing, pier drilling, and an automatic CNC production line. The supplier also reports uniformly followed finished-product inspection instructions and lead times within 15 working days in both peak and off-seasons, supporting established production and inspection capability.

Customization capabilityBoth the design-services and R&D records explicitly list customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of broad customization capability.

Product Q&A

Q:What problems does a reaming shell solve during core drilling?

It mainly fixes borehole shrinkage, irregular hole diameter and hole deviation. It keeps the borehole standard round, stabilizes the hole wall, and ensures smooth running of subsequent drilling tools.

Q:Why do we need a reamer instead of using a drill bit alone?

Single drill bit cannot maintain full gauge for long. The reaming shell protects the drill bit and core barrel from severe wear, reduces tool damage and replacement frequency.

Q:How does it improve low drilling efficiency in hard rock?

Optimized spiral water channels and high-hardness diamond cuttings remove rock debris quickly, avoid bit balling and stuck pipe, greatly boost drilling progress.

Q:Can it work in broken & complex formations?

Yes. Its reinforced body and reasonable structural design prevent hole collapse, effectively adapt to fractured rock, loose soil and mixed strata.

Q:How does it cut down overall drilling costs?

Long service life lowers tool consumption. Stable borehole reduces tripping times, downtime and labor cost, saving comprehensive expenditure for projects.