What materials are used for the coupling sleeve?

We use High Manganese Steel and Tungsten Carbide for high performance and durability.

What is the lead time for production?

Average lead time is within 15 workdays for both peak and off-season periods.

What payment terms do you accept?

We accept LC, T/T, PayPal, and Western Union for payment.

R32 Drill Rod Coupling Sleeve Coupling Sleeve T38 for Extension Rod Couplings Sleeve

Name: R32 Drill Rod Coupling Sleeve Coupling Sleeve T38 for Extension Rod Couplings Sleeve
Brand: YANTAI PANDA EQUIPMENT CO., LTD.
SKU: 1946118275

Shandong, ChinaYANTAI PANDA EQUIPMENT CO., LTD.

US$15.00-60.00

1 Piece

Product profile

Customization

Available

Warranty

1year

Type

Drill Tools

Model NO.

R32,T38,T45,T51,GT60,R22,R25,R28,ST58,ST68

Application

Connection

Certification

CE, ISO9001: 2000, API

Condition

New

Diameter

22,25,28,32,38,45,51,60mm

Length

190mm to 235mm

Material

High Manganese Steel,Tungsten Carbide

Processing Type

Forging

Use

Coal Mining,Quarry Drilling or Well Drilling

Transfer

Air/Sea/Express

Color

Request

Advantage

High Performance

Product Name

Thread Extension Rod

Thread

R32,T38,T45,T51,Gt60,R22,R25,R28,St58,St68

Transport Package

Wooden Box or as Customers Inquire

Specification

300mm to 6000mm

Trademark

PANDA

Origin

Shandong China

HS Code

82071990

Production Capacity

2000 Pieces / Week

Key features

Customizable Dimensions: Diameter ranges from 22mm to 60mm; Length adjustable from 190mm to 235mm per request.

Premium Material Options: Constructed from High Manganese Steel or Tungsten Carbide for superior durability.

Wide Thread Compatibility: Supports R22, R25, R28, R32, R38, T38, T45, T51, and other standard threads.

High Performance Design: Ensures efficient energy transmission with middle stop to prevent over-threading.

Strict Quality Control: 100% inspection and testing for every order before packing to guarantee reliability.

Flexible Processing: Custom forging processing available to meet specific application requirements.

Reliable Warranty: 1-year warranty with free replacement for problems caused by product quality.

Company profile

High Repeat Buyers ChoiceQuality Assurance100% Finished Products InspectionR&D Capabilities

YANTAI PANDA EQUIPMENT CO., LTD.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2008-08-09Nearest Port: qingdao, beijing, shenzhenAverage Response Time: ≤1.51hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, EXW

AI-Powered supplier vetting

SummaryYANTAI PANDA EQUIPMENT CO., LTD. is a China-based manufacturer of drilling, mining, breaking, grinding, and stone-cutting equipment. It reports ISO 9001 and EICC certifications, 31–40 quality-control staff, and 41–50 years of combined R&D-engineer experience. Listed annual capacity is 50,000 pieces each for DTH bits, hammers, and pipes, with lead times within 15 working days in both peak and off-peak seasons. The supplier supports multiple customization methods and exports to a broad range of regions. However, documented service-management procedures, complaint handling, corrective actions, and supplier-assessment records are absent. It also reports no overseas agents, branches, warehouses, showrooms, SDK availability, or OEM service for popular brands. Financial credibility and customer-case strength cannot be conclusively assessed from the provided information.

Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory, operating as YANTAI PANDA EQUIPMENT CO., LTD. in China. This confirms direct manufacturing status rather than a trading-only profile.

CertificationsThe supplier reports certification of its management systems to ISO 9001 and EICC. These stated certifications provide explicit evidence of formal management-system recognition, although the slices do not provide certificate numbers, validity dates, or scope.

After-Sales capabilityThe supplier has no written procedures or records for customer complaints, corrective and preventive actions, or effective service-capability assessment. It also reports no overseas agents or branches, no overseas warehouse, and no overseas showroom, although it has participated in the CTT Exhibition and offers in-stock service capacity.

Production capacityReported annual capacity is 50,000 pieces each for DTH bits, DTH hammers, and DTH pipes, with lead times within 15 working days during both peak and off-peak seasons. The supplier also reports in-stock capability, 31–40 quality-control staff, and manufacturer status; however, outsourcing controls are stated as unknown.

Customization capabilityThe supplier explicitly supports customization from samples, designs, and full specifications, as well as minor and flexible customization. This provides direct evidence of broad customization capability.