What is the minimum order quantity?

The minimum order quantity is 1 piece, allowing for flexible purchasing.

What is the lead time for production?

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

What material is used for the drill bits?

The drill bits are made from alloy steel with a forging manufacturing process and spray-paint surface treatment.

High Quality Drill Bits for Coal and Ore Mining Operations Hammer

Name: High Quality Drill Bits for Coal and Ore Mining Operations Hammer
Brand: Changsha Tianhe Drilling Tools and Machinery Co., Ltd.
SKU: 2048597192

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

US$35.00-1,200.00

1 Piece

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

DHD380 SD8 QL80 M80

Certification

ISO 9001:2000, ISO 9001:2008

Standard

GB, ASTM

Surface Treatment

Spray-Paint

Manufacturing Process

Forging

Material

Alloy Steel

Usage

Coal, Ore, Water Well

Business Type

Manufacturer

Number of Employees

322

Main Markets

North America, South America, Southeast Asia/ Mide

Transport Package

Wooden Case

Specification

8inch, 3 Inch to 24 Inch

Trademark

Temahwole

Origin

China

HS Code

82071990

Production Capacity

2~3

Key features

Wide Drilling Diameter Range: Drills holes from 65 mm to 1200 mm for diverse project requirements.

Versatile Application Fields: Ideal for mining, water wells, foundation construction, and anchor drilling.

ISO 9001 Certified Quality: Manufactured with ISO 9001:2000 and ISO 9001:2008 certifications.

1 Year Warranty Coverage: Includes 1-year warranty and after-sales service for peace of mind.

Full Customization Options: Offers minor to full customization, including samples and designs.

Alloy Steel Construction: Forged from high-quality alloy steel with spray-paint surface treatment.

Established Manufacturer: Company established in 2002 with over 300 employees and patents.

Low Minimum Order Quantity: Flexible purchasing with a minimum order quantity of just 1 piece.

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: ≤6.53h

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.