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High-Performance Concentric Symmetric Drill Bits for 194 mm Casing

Name: High-Performance Concentric Symmetric Drill Bits for 194 mm Casing
Brand: Changsha DTH Drill Construction Machinery Co., Ltd.
SKU: 2099652395

Hunan, ChinaChangsha DTH Drill Construction Machinery Co., Ltd.

US$196.00-1,250.00

1 Piece

Product profile

Customization

Available

After-sales Service

Provide

Warranty

1 Year

Model NO.

Concentric Casing System

Certification

Surface Treatment

Spray-Paint

Manufacturing Process

Forging

Material

Carbon Steel

Product Name

Casing System with Ring Bit

Suitable Hammer Size

4"-12"

Casing Size

146-377mm

Use

Well Drilling

Transport Package

Wooden Box

Trademark

CS Drill

Origin

Hunan, China

HS Code

8207

Production Capacity

5000

Key features

High Straightness & Speed: Ensures straight holes in gravel, sand, and pebble layers with fast drilling speed.

Low Torque Requirement: Requires significantly less torque than eccentric drilling for stable operation.

Easy Unlock/Relock: No eccentric members allow for easier unlocking and relocking during drilling.

Any Angle Drilling: Capable of drilling holes at any angle with the centering drilling tool.

Excellent Slag Discharge: Air flow rises along casing immediately, reducing hole wall damage and improving slag removal.

Safe & Easy Operation: Smooth work reduces the need for continuous attention by drillers.

Cost Effective: Significantly reduced downtime and lower operating costs due to efficient design.

Customizable Options: Customized product names, hammer sizes, casing sizes, and packaging available.

Company profile

In-stock CapacityFast DeliveryR&D CapabilitiesProduct Certification

Changsha DTH Drill Construction Machinery Co., Ltd.

Hunan, China

Business Type: Manufacturer/Factory, Group CorporationExport Year: 2015-07-10Nearest Port: Shenzhen, ShanghaiAverage Response Time: ≤1.96hTerms of Payment: T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company in Changsha, with a stated business scope covering mechanical equipment, hardware, electronic products, instruments, metal products, and general equipment manufacturing. It reports export experience of three years, exports accounting for 41%–50% of total sales, overseas agents or branches, and maintenance and repair services in countries including Peru, Brazil, and Argentina. Reported production capacities cover drilling rigs, reverse-circulation drilling tools, DTH hammers, drill bits, and drill pipes, while customization from samples and designs is available. The supplier holds ISO9001:2015 and CE certifications. Service procedures exist but lack written records, and no overseas warehouse or showroom is available. Financial information is indicated for 2021–2023, but no substantive financial performance details are provided. Innovation evidence is mixed: ODM and OEM services are available, but no new products were reported in the past year and no SDK is...

Supplier typeThe supplier is explicitly classified as a trading company, with its business scope covering sales of mechanical equipment, hardware, electronic products, instruments, leather products, metal products, and related equipment manufacturing. Its associated-company industry is listed as wholesale and retail, reinforcing its trading-oriented profile.

CertificationsThe supplier reports an ISO9001:2015 management-system certificate and CE product compliance certification. These are explicit certifications relevant to quality management and product conformity.

After-Sales capabilityThe supplier reports maintenance and repair services through overseas agents or branches in Peru, Brazil, Argentina, and other countries. However, its service assessment, corrective-action, and complaint-handling procedures have no written records, and it has no overseas warehouse or showroom, so the evidence supports service availability but not fully documented service controls.

Production capacityStated annual capacities include 500 drilling rigs, 8,000 reverse-circulation drilling tools, 10,000 DTH hammers, 500,000 drill bits, and 100,000 drill pipes, with inventory capability also reported. However, the supplier is classified as a trading company and its valid manufacturing-contract status is unknown, so the scale of directly controlled production is not fully established.

Customization capabilityThe supplier explicitly offers customization from samples and designs, as well as ODM services. This indicates capability to support customer-specific product requirements, although no examples or scope limitations are provided.

Product Q&A

Q:Are you a manufacturer or trading company?

We are both, we have our own factory and also have many long-relationship factories.

Q:What is the minimum order quantity?

Our MOQ is 1pc or 1 complete set. The price may rely on the order quantity. We welcome sample orders to test our quality.

Q:Can you accept OEM & ODM?

Yes, both are acceptable. Please tell us your requirements or design drawings. We have an R&D team led by Dr. Zhao Mingchun with 25 years of experience in drilling tool design.

Q:How is the packing?

We use plywood cases and pallets for exporting to protect products and avoid damage during transportation. We can also customize packaging according to special requests.

Q:What is the delivery time?

Generally, it takes about 15-25 days. If in stock, it usually takes only 5-10 days.