What is the lead time for production?

Lead times vary by season: Peak Season requires one month, while Off Season delivery is within 15 workdays.

Is OEM/ODM service available?

Yes, we provide ODM services and offer full customization options, including customization from samples and designs.

What certifications does the product have?

The product adheres to the ISO9001:2015 standard, ensuring high-quality manufacturing processes and reliability.

Concave DTH Bits and Casing Bits for Water Well Drilling

Name: Concave DTH Bits and Casing Bits for Water Well Drilling
Brand: Changsha Tianhe Drilling Tools and Machinery Co., Ltd.
SKU: 1960087181

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

US$100.00-200.00

1 Piece

Product profile

Customization

Available

Customized

Standard

ISO9001:2015

Model NO.

DHD, Cop, SD, Mission, QL, Mach, Br, Numa

Length

60mm

Type

Drilling Machine

Material

Alloy Steel

Usage

Well Drilling

Mining Object

Petroleum Drilling and Production Equipment

Bit Face

Spherical,Concave,Flat

Application

Water Well,Mining Drilling

Painting

Yellow, Blue, as Customer Needed

Marketing Type

Hot Products 2023

Transport Package

Wooden Case or Carton

Specification

DHD350, MISSION50, SD5, QL50

Trademark

Teamwhole

Origin

Hunan, China

HS Code

820719

Production Capacity

8000PCS a Month

Key features

Customizable Bit Face: Choose from Spherical, Concave, or Flat faces to match specific rock formations.

Customizable Painting: Available in Yellow, Blue, or custom colors as per customer requirements.

Premium Alloy Steel: Constructed with high-strength, heat-resistant special alloy steel for durability.

High-Quality Carbide: Features top-tier tungsten carbides from China or Europe for unmatched hardness.

ISO9001 Certified: Manufactured under strict ISO9001:2015 standards ensuring consistent quality.

Versatile Applications: Suitable for water well drilling, mining, and petroleum production equipment.

100% Quality Inspection: Every finished product undergoes rigorous visual and functional inspection.

Extensive Model Range: Wide selection of DTH, SD, Mission, and QL bits for various diameters.

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: ≤9.91h

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.

Product Q&A

Q:What bit face shapes are available?

We offer Spherical, Concave, and Flat bit faces, allowing customization based on specific drilling scenarios and rock formations.

Q:Can the painting color be customized?

Yes, the painting can be customized. Standard options include Yellow and Blue, but we can accommodate specific customer color requirements.

Q:What materials are used for the drill bits?

The bits are made from superior special alloy steel for strength and durability, combined with top-tier tungsten carbides from China or Europe for hardness.

Q:What is the Minimum Order Quantity (MOQ)?

The Minimum Order Quantity is 1 piece, allowing for flexible ordering for various project needs.

Q:What are the payment terms?

We accept LC, T/T, PayPal, Western Union, Small-amount payment, and D/P for international transactions.