Do you offer samples?

Yes, we offer complimentary samples; customers are only responsible for shipping costs.

What are the payment terms?

Orders under $1000 require full payment upfront. Orders over $1000 require 30% T/T in advance with the balance before shipment.

What is the minimum order quantity?

The minimum order quantity is 1 piece.

4.5" 5.5"Casing Ring Bit with Pilot Bit for DTH Hammer Compatibility

Name: 4.5" 5.5"Casing Ring Bit with Pilot Bit for DTH Hammer Compatibility
Brand: Changsha Tianhe Drilling Tools and Machinery Co., Ltd.
SKU: 2079073052

Hunan, ChinaChangsha Tianhe Drilling Tools and Machinery Co., Ltd.

US$80.00-1,000.00

1 pieces

Product profile

Customization

Available

After-sales Service

Available

Warranty

6 Months

Certification

ISO9001:2015

Standard

AISI

Surface Treatment

Spray-Paint

Manufacturing Process

Forging

Material

Alloy Steel

Casing Tube Od

114mm, 140mm, 168mm, 219mm, 273mm

Type

Pilot Bit/Ring Bit

Matched Hammer

DHD3.5, DHD340, DHD350, DHD360, DHD380

Processing Type

Forging

Machine Type

Drilling Tool

Use

Rock Drilling

Color

Glod Other Ascustomer Need

Matched Drill Rig

DTH Drill Rig

Video Outgoing-Inspection

Provided

Application

Water Well Drilling, Micro Piling, Anchoring

Transport Package

in Wooden Case

Trademark

Teamwhole

Origin

Hunan, China

HS Code

820719

Production Capacity

5000 Piece/Pieces Per Month

Key features

Customizable Casing Tube OD: Available in 114mm, 140mm, 168mm, 219mm, and 273mm to match specific project needs.

Versatile Bit Types: Offers both Pilot Bit and Ring Bit configurations for diverse drilling scenarios.

Wide Hammer Compatibility: Compatible with DHD3.5, DHD340, DHD350, DHD360, and DHD380 DTH hammers.

High Precision Drilling: Maintains extreme precision and straightness with a maximum hole diameter of 1550mm.

Robust Material Construction: Manufactured from Alloy Steel with heat-treated components for extended service life.

Comprehensive Quality Control: 100% visual and function inspection with video outgoing-inspection provided.

Flexible Customization Options: Supports minor, sample-based, design-based, and full customization upon request.

Global Service Network: Serving over 50 countries with after-sales service and 6-month warranty coverage.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Changsha Tianhe Drilling Tools and Machinery Co., Ltd.

Hunan, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 17 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤7.84h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company rather than a professional technical supplier. It provides 3D software design, ODM, and multiple customization options, including full customization and customization from samples or designs. Product inspection procedures are documented and consistently followed, while supplier-service assessments and corrective-action procedures are also documented. The company has inventory capability, export experience, and has participated in the Perumin exhibition, but it has no overseas agents, branches, warehouse, showroom, or stated overseas service coverage. Innovation evidence includes new products introduced during the past year and ODM availability, but there is no SDK and no OEM service for popular brands. Manufacturing capacity has a stated contractual deficiency involving related subcontractors. Digital-management information is mixed: ERP use is reported, while broader digital-process construction is reported as not yet started. No certification, financial...

Supplier typeThe supplier is explicitly classified as a trading company and is also stated not to be a professional technical supplier. However, it provides 3D software design services, so its role includes service coordination beyond simple product trading.

After-Sales capabilityThe supplier reports inventory capability and offers training, repair, equipment installation, maintenance, and debugging. However, it has no overseas agents or branches, no overseas warehouse or showroom, and states zero countries for overseas service coverage, limiting evidence of an established international after-sales network.

R&D capabilityInnovation-related evidence includes new products within the past year, ODM services, 3D software design, and broad customization. Nevertheless, the supplier has no available SDK, does not provide OEM services for popular brands, and reports that broader enterprise digital-process construction has not started, although ERP use is also reported.

Production capacityOperational controls are supported by documented and consistently followed finished-product inspection instructions, written supplier-service assessment procedures with records, and corrective/preventive-action procedures. The supplier also reports inventory capability, but explicitly lacks a valid contract between the factory and related subcontractors, which is a stated manufacturing-governance deficiency.

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