What is the warranty period?

We provide a 1-year warranty and after-sales service.

What is the lead time for production?

The lead time is within 15 workdays during the off-season and one month during the peak season.

What payment terms are accepted?

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

12" Bits for Ore Drilling

Name: Durable DTH Hammers Numa120/Numa125/SD12 with 10" /12" Bits for Ore Drilling
Brand: Changsha Tianhe Drilling Tools and Machinery Co., Ltd.
SKU: 2075635562

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

US$30.00-1,280.00

1 Piece

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

NUMA 125 NUMA120 TK14, TK18, TK24

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

Transport Package

Wooden Case

Specification

8inch, 3 Inch to 24 Inch, 3 Inch to 20 Inch

Trademark

Temahwole

Origin

China

HS Code

82071990

Production Capacity

2~3

Key features

Wide Drilling Range: Drills holes from 65mm to 1200mm for diverse applications.

Full Customization: Offers full customization, minor customization, and flexible options.

1-Year Warranty: Provides 1-year warranty and after-sales service coverage.

ISO Certified: Certified by ISO 9001:2000 and ISO 9001:2008 standards.

Alloy Steel Build: Constructed from durable alloy steel with forging manufacturing.

Versatile Applications: Ideal for mining, water wells, and foundation construction.

Low MOQ: Minimum Order Quantity is just 1 piece for flexibility.

17 Years Export: 17 years of export experience with global market reach.

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: ≤10.77h

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 is the drilling diameter range?

The DTH hammers are capable of drilling holes ranging from 65 mm to 1200 mm.

Q:What are the main application fields?

They are extensively used in open-pit and underground mining, water well drilling, deep well applications, foundation construction, and anchor drilling.

Q:Is customization available?

Yes, we offer full customization, minor customization, customization from samples, customization from designs, and flexible customization options.

Q:What is the minimum order quantity?

The Minimum Order Quantity (MOQ) is 1 piece.

Q:What certifications does the product have?

The product is certified by ISO 9001:2000 and ISO 9001:2008.