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: ≤4.59h

About Our Factory & Business Background

AddressYaojiapo Road, Jinzhou New District, Ningxiang, Changsha, Hunan, China

Plant Area59940 square meters

Number of Employees285

Terms of PaymentLC, T/T, PayPal, Western Union, Small-amount payment, D/P

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: within 15 workdays

Minimum Order Quantity1 Pcs

Supply Chain Partners200

Our Production Capability & Technical Expertise

Main ProductsDTH Hammer, DTH Bits, Casing Systems, Drill Pipe

Production Lines4

Production MachinesCutting Machine, Pre-Heat Treatment Machine, CNC Machining Center, CNC Lathe Machine, CNC Grinding Machine, CNC Milling Machine, Deep Hole Drilling Machine, Arc Burning Furnace, Electron Microscope, Intelligent Carbon and Sulfur Analyzer, Metallographic Cutting Machine, Metallographic Sample Polishing Machine

QA/QC inspectors11 people

Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)

Inspection Method for Finished ProductsHave instructions and uniformly followed

R&D Engineers7 people

Traceability of Raw MaterialsYes

Own BrandYes

Our Industry Experience & Global Business Record

Year of Establishment2002-11-06

Main MarketsSouth America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Australia, Domestic

Repeat Buyers Choice50%~80%

Number of Foreign Trading Staff11

Overseas Agent/BranchNo

New Products Launched in Last yearYes

Our Certifications, Standards & Industry Recognition

Cooperated with Fortune 500No

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.