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N/WL Reaming shell heavy duty type with high density natural diamond for wireline coring drilling

Material: Natural Diamond,Synthetic Diamond,TSP

Standard: DCDMA Standard/ Q Standard

Application: Reaming Shells Are Designed To Be Placed Behind The Bit To Ensure Hole Gauge And To Help Core Barrel Stabilization. Reaming The Hole, Acts As A Stabilizer During Drilling In The Hole, Especially For Wireline Coring Drilling

Advantage: Top Wear Resistant Property, Optimum Stabilizing And Reaming Performance.

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High Efficiency Core Drill Accessories , Core Drill Water Swivel For Drilling

Materials:High-quality Materials

Use:Drilling

Frame:Compact Frame

Feature:High Efficiency

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Turbo Profile Impregnated Diamond Core Drill Bits Wire Line Drilling NWL HWl PWL 14mm

Feature:Suitable For Fractured Formation, When Need Complete Core

Advantage:Factory Direct & Competitive Price, High-efficiency, Imporved Efficiency, Cutting Life And Operator Safety, Friendly Surrondings

Standard:DCDMA Standard/ Q Standard

Available Size:B/WL N/WL H/WL P/WL B/WL-3 N/WL-3 H/WL-3 P/WL-3

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Taper Profile Long Core Drill Bit High Working Efficieney Made Of Steel

Service:OEM&ODM, (within 24hours)quick Response, ODM, OEM, Customized

Advantage:Factory Direct & Competitive Price, High-efficiency, Imporved Efficiency, Cutting Life And Operator Safety, Friendly Surrondings

Standard:DCDMA Standard/ Q Standard

Available Size:B/WL N/WL H/WL P/WL B/WL-3 N/WL-3 H/WL-3 P/WL-3

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PQ Impregnated Diamond Core Bit W profile for wireline coring (OD:122.05mm, ID:84.96mm)

Advantage:Factory Direct & Competitive Price, High-efficiency, Imporved Efficiency, Cutting Life And Operator Safety, Friendly Surrondings

Standard:DCDMA Standard/ Q Standard

Available Size:B/WL N/WL H/WL P/WL B/WL-3 N/WL-3 H/WL-3 P/WL-3

Name:H/WL-3, W-Profile Impregnated Diamond Bit

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Overshot Assembly NQ

Product Name:NQ Overshot Assembly For Wireline Coring Drilling

Standard:DCDMA

Avalilable Size:BQ NQ HQ And PQ

Application:Overshot Assembly Is A Kind Of Tool Specially Used To Salvage And Place Inner Tube Assembly. At Present, We Have Four Kinds Of Q Series Overshot Assembly: BQ, NQ, HQ And PQ

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P / WL W Profile Impregnated Diamond Core Bit , High Efficieney Core Hole Drill Bits

Service:OEM&ODM, (within 24hours)quick Response, ODM, OEM, Customized

Advantage:Factory Direct & Competitive Price, High-efficiency, Imporved Efficiency, Cutting Life And Operator Safety, Friendly Surrondings

Standard:DCDMA Standard/ Q Standard

Available Size:B/WL N/WL H/WL P/WL B/WL-3 N/WL-3 H/WL-3 P/WL-3

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High Reliability Impregnated Diamond Core Drill Bits DCDMA BC NC NC3 HC HC3 PC3

Material:Steel

Application:Wireline Core Drilling, Geological Drilling

Feature:High Reliability

Certification:ISO:9001-2000

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About us

Your Professional & Reliable Partner.

CGE Group Wuxi Drilling tools Co.,Ltd. (formerly named Wuxi drilling tool factory Co., Ltd) was founded in 1958, which is a state-owned leading enterprise . We’re the strategic partner of Atlas Copco ( Epiroc) since 2012.Our company covers 120 mu and has a total assets around 20000 million Rmb. We have around 200 employees, including 10 technicians.The main products we manufactured are listed as bellow:1.China national standard coring drill system products2.DCDMA standard products: A, B, N, H, Q ...

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Year Established

Million⁺

Employees

Million⁺

Annual Sales

HIGH QUALITY

Trust Seal, Credit Check, RoSH and Supplier Capability Assessment. company has strictly quality control system and professional test lab.

DEVELOPMENT

Internal professional design team and advanced machinery workshop. We can cooperate to develop the products you need.

MANUFACTURING

Advanced automatic machines, strictly process control system. We can manufacture all the Electrical terminals beyond your demand.

100% SERVICE

Bulk and customized small packaging, FOB, CIF, DDU and DDP. Let us help you find the best solution for all your concerns.

Quality Diamond Core Bit & Drill Pipe Rod manufacturer

Find Products That Better Meet Your Requirements.

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The Latest Hot Spots

Urban Renewal Boom in Europe and North America Drives Continuous Growth in Diamond Core Bit Demand

As aging infrastructure and renovation needs accelerate across Europe and North America, urban renewal projects are entering a rapid expansion phase. Subway extensions, bridge maintenance, residential redevelopments, and commercial complex upgrades are all increasing in number, driving strong demand for high-performance drilling tools. The Diamond Core Bit stands out with exceptional drilling efficiency, durability, and safety. Designed with premium industrial diamonds and an optimized segment geometry, the bit delivers fast, precise penetration through reinforced concrete, granite, and asphalt. Whether used in subway tunnel construction or high-rise renovations, it provides stable drilling speed with low vibration, significantly boosting project efficiency and reducing completion time. Its laser-welded segments and robust bonding matrix enhance heat and wear resistance, ensuring safe and reliable operation even during extended continuous drilling. The longer lifespan means fewer replacements and lower overall costs—an essential advantage for large-scale urban renewal projects. Fully compliant with EN13236 and ANSI international safety standards and compatible with major rigs such as Hilti, Bosch, and Milwaukee, the Diamond Core Bit is the ideal tool for infrastructure upgrades and city revitalization across Europe and North America. Demand for this high-performance drilling solution is expected to continue growing strongly in the years ahead.

2025

08/01

Urban Renewal Boom in Europe and North America Drives Continuous Growth in Diamond Core Bit Demand

As aging infrastructure and renovation needs accelerate across Europe and North America, urban renewal projects are booming. The Diamond Core Bit, with its exceptional drilling efficiency and durability, is seeing continuous growth in demand. Urban renewal involves subway expansion, bridge maintenance, and high-rise renovations, all of which require drilling tools with high stability and multi-material adaptability. Featuring premium industrial diamonds and optimized segment design, the Diamond Core Bit quickly penetrates reinforced concrete, granite, and asphalt to meet these diverse needs. Laser-welded segments and a strong bonding matrix provide superior wear and heat resistance, ensuring safety and stability during prolonged operations. Its extended lifespan reduces replacement frequency and overall costs—an essential advantage for large-scale renovation projects. Fully compliant with EN13236 and ANSI standards and compatible with Hilti, Bosch, and Milwaukee rigs, the Diamond Core Bit is becoming an indispensable tool for infrastructure upgrades and urban renewal across Western markets.

2025

07/07

Eco-Friendly and Efficient: Diamond Core Bit Aligns with Sustainable Construction Demands in Europe and the U.S.

With sustainable construction gaining traction across Europe and the United States, eco-friendly tools are increasingly important. The Diamond Core Bit delivers both efficiency and environmental benefits, making it ideal for green building projects. Its fast cutting speed and low vibration reduce energy consumption and dust generation, meeting strict Western standards for environmental protection and job-site safety. Laser-welding technology avoids harmful emissions common in traditional welding methods, further minimizing environmental impact. Exceptional durability extends service life, reducing the frequency of replacements and associated waste. Manufacturers also offer recycling and re-tipping services, helping customers maximize the tool’s lifespan for both economic and environmental gains. Compliant with EN13236 and ANSI standards and compatible with major drilling rigs, the Diamond Core Bit supports contractors in sustainable projects, driving long-term growth in green building and urban renewal initiatives.

2025

06/01

N/WL Reaming shell heavy duty type with high density natural diamond for wireline coring drilling

High Efficiency Core Drill Accessories , Core Drill Water Swivel For Drilling

Turbo Profile Impregnated Diamond Core Drill Bits Wire Line Drilling NWL HWl PWL 14mm

Taper Profile Long Core Drill Bit High Working Efficieney Made Of Steel

PQ Impregnated Diamond Core Bit W profile for wireline coring (OD:122.05mm, ID:84.96mm)

Overshot Assembly NQ

P / WL W Profile Impregnated Diamond Core Bit , High Efficieney Core Hole Drill Bits

High Reliability Impregnated Diamond Core Drill Bits DCDMA BC NC NC3 HC HC3 PC3

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