Is technical support available?

Yes, technical support is available at any time.

What formations can these bits drill?

They cover very soft, soft, medium, medium-hard, and hard formations including clay, shale, limestone, and sandstone.

What is the warranty period?

The product comes with a 3-month warranty.

High-Performance 244mm Tri Cone Roller Bits for Rock Drilling

Name: High-Performance 244mm Tri Cone Roller Bits for Rock Drilling
Brand: Changsha DTH Drill Construction Machinery Co., Ltd.
SKU: 2100702095

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

US$150.00-990.00

1 Piece

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

3months

Model NO.

tricone bit

Certification

CE, RoHS

Standard

AISI

Surface Treatment

Galvanized

Manufacturing Process

Forging

Material

Alloy Steel

Size

3 3/4"~26"

Wob

0.35~1.05kn/mm

Rpm

80~40r/Min

Weight

21kg

Applicable Industries

Energy & Mining

Condition

New

Machine Type

Drilling Tool

Product Name

8 3/4 TCI Tricone Bit Oil 15 1/2 IADC 517 7-5/8 12

Transport Package

Wooden Box

Specification

540X450X500mm

Trademark

CSDRILL

Origin

China

HS Code

8207

Production Capacity

500000

Key features

Wide IADC Code Coverage: Covers almost all IADC codes from 111 to 837 for various formations.

Extensive Size Range: Sizes available from 3 3/4 inches to 26 inches to fit diverse drilling needs.

Specialized Formation Solutions: Dedicated TCI designs for very soft, medium, and hard abrasive formations.

High Penetration Rate: Optimized cutter structure and cone offset ensure fast drilling speeds.

Durable Bearing Sealing: HSN rubber O-rings provide adequate sealing for bearing durability.

Low Minimum Order Quantity: Accepts orders starting from just 1 piece for flexible purchasing.

Fast Delivery Options: 10-25 days production or 2-3 days if stock is available for requested models.

Strict Quality Control: Experienced QC team performs strict inspection and testing before shipping.

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: ≤11.28hTerms 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.