What materials are used for the drill rods?

The drill rods are made of carbide and processed via forging.

What taper degrees are available?

We offer custom tapered drill pipes in 7, 11, and 12 degree angles.

What is the warranty period?

We provide a 1-year warranty for our products.

High-Quality 12 Degree 400-6000mm Tapered Drill Rod Taper Drill Pipe

Name: High-Quality 12 Degree 400-6000mm Tapered Drill Rod Taper Drill Pipe
Brand: Changsha DTH Drill Construction Machinery Co., Ltd.
SKU: 2208509105

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

US$6.00-9.80

1 pcs

Sample price:US$6.00/pcs.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

1 Year

Certification

Surface Treatment

Spray-Paint

Manufacturing Process

Forging

Material

Carbide

Name

Taper Drill Pipe

Length

400-6000mm

Taper Degree

7, 11, 12 Degree

Application

Drilling Hole

Hex Shank

Hex25, Hex22, Hex19

Transport Package

Steel Bar Bundling with Waterproof Film

Specification

7 ° , 11° , 12 °

Trademark

Csdrill

Origin

Hunan

HS Code

8431431000

Production Capacity

500000

Key features

Custom Taper Angles: Available in 7, 11, and 12 degree angles for precision drilling.

Variable Length Options: Customizable lengths ranging from 400mm to 6000mm.

Durable Carbide Material: Crafted from tungsten carbide for high durability in mining.

Forging Manufacturing: Produced using precision forging processes for structural integrity.

1-Year Warranty: Comes with a comprehensive 1-year warranty coverage.

CE Certified: Meets CE certification standards for safety and quality.

Hex Shank Variants: Available in Hex25, Hex22, and Hex19 specifications.

Fast Delivery: Production takes 7-15 days; stock items ship in 2-3 days.

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: ≤3.13hTerms 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.