What certifications do your products have?

Our products are certified with ISO9001:2015, ensuring consistent quality and stable performance.

What payment methods do you accept?

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

What are the main applications for these drill bits?

They are designed for water well drilling, quarrying, mining, blasting hole drilling, and geological exploration.

High-Quality Big Diameter Bits for Construction and Mining Drilling

Name: High-Quality Big Diameter Bits for Construction and Mining Drilling
Brand: Changsha Tianhe Drilling Tools and Machinery Co., Ltd.
SKU: 1960045701

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

US$20.00-1,000.00

1 pieces

Product profile

Customization

Available

After-sales Service

Available

Warranty

6 Months

Model NO.

DHD shank bit

Certification

ISO9001:2015

Standard

AISI

Surface Treatment

Spray-Paint

Manufacturing Process

Forging

Material

Alloy Steel

Applicable Industries

Construction Works , Energy & Mining

Weight (Kg)

Machine Type

Drilling Tool

Use

DTH Rock Drilling

Color

Glod Other Ascustomer Need

Keyword

DTH Hammer,Mission60 Bit

Matched Drill Rig

DTH Drill Rig

Video Outgoing-Inspection

Provided

Face Type

Concave,Flat,Convex

Marketing Type

Hot Product 2023

Brand Name

Teamwhole

Transport Package

in Wooden Case

Specification

DHD3.5/DHD340/DHD350/DHD360/DHD380/DHD112

Trademark

Teamwhole

Origin

Hunan, China

HS Code

843143

Production Capacity

5000 Piece/Pieces Per Month

Key features

Premium Alloy Steel Construction: Forged from high-quality alloy steel with tungsten carbide inserts for superior wear resistance and impact toughness.

Wide Model Range: Available in DHD340, DHD350, DHD360, DHD380, and DHD112 series with various diameters from 105mm to 400mm.

Customizable Options: Offers full customization including color, face type (Concave, Flat, Convex), and design from samples or drawings.

ISO9001 Certified Quality: Strictly adheres to ISO9001:2015 quality management system with 100% finished product inspection.

Versatile Application: Ideal for water well drilling, quarrying, mining, blasting, and geological exploration in tough rock conditions.

Expert Manufacturing: Produced by Changsha Tianhe with 20+ years experience, 60,000 sqm facility, and advanced CNC machinery.

Global Export Experience: Exported to over 50 countries including South America, Europe, Africa, and Australia with 17 years history.

Flexible Payment Terms: Accepts LC, T/T, PayPal, Western Union, and Small-amount payment for convenient international transactions.

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: ≤9.27h

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 materials are used for the DTH drill bits?

The bits are forged from premium high-quality alloy steel and furnished with tungsten carbide inserts for remarkable wear resistance and impact toughness.

Q:What is the warranty period for these products?

We provide a 6-month warranty for all our DTH drill bits and hammers.

Q:Can the product be customized?

Yes, we offer full customization including color, face type, and design from samples or drawings.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 piece.

Q:What are the lead times for production?

Peak season lead time is one month, while off-season lead time is within 15 workdays.