What certifications do the products have?

Products are certified with ISO9001, CE, ISO 9001:2000, and ISO 9001:2008.

What is the warranty period?

We provide a one-year warranty for our products.

What is the Minimum Order Quantity (MOQ)?

The Minimum Order Quantity is 1 piece.

Premium Gold Drill Bits for Mining, Quarrying, and Construction Use

Name: Premium Gold Drill Bits for Mining, Quarrying, and Construction Use
Brand: Changsha Tianhe Drilling Tools and Machinery Co., Ltd.
SKU: 1959769001

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

US$50.00-200.00

20 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

One Year

Model NO.

R28/R32/T38/T45/T51/GT60

Certification

CE, ISO 9001:2000, ISO 9001:2008

Surface Treatment

Spray-Paint

Manufacturing Process

Forging

Material

Alloy Steel

Application

Mining, Quarrying, Construction

Carbides Number

Yk05

Painting Colour

Gold or Other Colours Are Acceptable

Customized Design

Acceptable

Transport Package

Carton and Plywoodcase

Specification

43mm-152mm or bigger

Trademark

TEAMWHOLE

Origin

China

HS Code

82071990

Production Capacity

500000 Pieces One Year

Key features

Premium Material Composition: Crafted from 42CrMo alloy steel and high-quality tungsten carbide for exceptional durability.

Wide Diameter Range: Available in 32 sizes from 43mm to 152mm to suit diverse drilling specifications.

Multiple Thread Options: Compatible with R28, R32, T38, T45, T51, and GT60 thread types for broad adaptability.

Customizable Design: Accepts custom designs, colors, and specifications tailored to specific drilling requirements.

Versatile Button Shapes: Choose between spherical or ballistic button shapes for precise penetration and fast drilling.

Fast Delivery Time: Expedient delivery within 7-15 days ensures your projects stay on schedule.

Quality Certifications: Certified with ISO9001, CE, and ISO 9001:2000/2008 for quality and safety assurance.

One Year Warranty: Comprehensive one-year warranty coverage for peace of mind and reliability.

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.