What materials are used in the construction of the bit?

The bit is made from first-class special alloy steel and utilizes high-quality tungsten carbides (from China or Europe) to ensure exceptional strength, heat resistance, and wear resistance.

What are the available payment terms?

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

What is the lead time for production?

The lead time varies by season: within 15 workdays during the off-season, and approximately one month during the peak season.

Ql80 Concave Bit for Mining Drilling

Name: Ql80 Concave Bit for Mining Drilling
Brand: Changsha Tianhe Drilling Tools and Machinery Co., Ltd.
SKU: 2025973612

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

US$100.00-200.00

1 Piece

Product profile

Customization

Available

After-sales Service

Available

Warranty

One Year

Model NO.

QL80-240

Certification

ISO 9001:2015

Standard

Surface Treatment

Spray-Paint

Manufacturing Process

Forging

Material

Alloy Steel

Size

Ql80-240

Bit Face

Spherical,Concave,Flat

Application

Water Well,Mining

Matched DTH Hammer

Ql80 Hammer

Painting

Yellow, Blue, as Customer Needed

Marketing Type

Hot Products 2023

Transport Package

Plywooden Case

Specification

9 1/2inch

Trademark

Teamwhole

Origin

Hunan, China

HS Code

82071990

Production Capacity

5000PCS

Key features

Premium Alloy Steel Material: Made from high-quality special alloy steel with advanced heat treatment for durability.

Versatile Rock Application: Concave face design ideal for medium-hard and homogeneous rock formations.

High Drilling Efficiency: Good flushing effect ensures high drilling rates and reliable quality.

Global Compatibility: Compatible with all international brands like BR, MACH, DHD, COP, IR, NUMA, etc.

Flexible Customization: Offers full customization including size, bit face shape, and painting colors.

One Year Warranty: Comprehensive one-year warranty with strict quality compensation rules.

ISO 9001 Certified: Manufactured under ISO 9001:2015 certification standards for quality assurance.

Low MOQ Order: Minimum order quantity is just 1 piece, suitable for small batch testing.

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: ≤10.05h

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 rock formations is the QL80 Concave Bit suitable for?

The concave face design is specifically intended for medium-hard and homogeneous rock formations, providing good hole deviation control and flushing capacity.

Q:Which DTH hammers are compatible with this bit?

This bit is compatible with various international brands including BR, MACH, DHD, COP, IR, NUMA, SD, QL, MISSION, and specifically matches the Ql80 Hammer series.

Q:Can I customize the size and color of the bit?

Yes, we offer full customization options. You can choose specific sizes (e.g., Ql80-240), bit face shapes (Spherical, Concave, Flat), and painting colors (Yellow, Blue, or as needed).

Q:What is the warranty period for this product?

We provide a one-year warranty for this product, along with strict quality warranty and compensation rules to ensure customer satisfaction.

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

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