Are special sizes available?

Yes, special sizes can be made as per request beyond the standard series listed.

What quality control measures are in place?

We have 8 QA/QC inspectors performing 100% visual and function inspection on finished products.

Coal Mine Drill Bit for Wireline Drilling Nq Hq

Name: Coal Mine Drill Bit for Wireline Drilling Nq Hq
Brand: Forsun Ultra-hard Material Industry Co., Ltd.
SKU: 751470105

Hunan, ChinaForsun Ultra-hard Material Industry Co., Ltd.

US$105.00-400.00

1 Piece

Product profile

Customized

Standard or Customized

Standard

ISO 9001

Type

Core Drill Bit

Model NO.

Nq Hq Pq T2 Wg Wm Ltk Nmlc Hmlc Tt B Series

Material

Diamond

Usage

Well Drilling, Diamond Core Drilling

Transport Package

Cartons or Ply-Wooden Cases

Specification

DCDMA, CDDA, ISO

Trademark

FORSUN

Origin

Changsha

HS Code

82071910

Production Capacity

15, 000PCS/Year

Key features

Comprehensive Customization: Supports customization from samples, designs, and full or minor flexible options.

Six Core Bit Types: Includes Impregnated, Surface set, Tungsten Carbide, PCD, PDC, and Electroplated Diamond types.

Extensive Size Range: Covers Wireline, T, TT, T6, B, MLC, LTK, WF, WT, WG, WM series and special sizes.

Versatile Application: Suitable for drilling rock, concrete, limestone, granite, marble, clay, basalt, and quartz.

ISO 9001 Standard: Manufacturing adheres to ISO 9001 standards for quality assurance.

100% Quality Inspection: Finished products undergo visual and function inspection with 8 dedicated QA/QC inspectors.

Fast Lead Time: Average lead time is within 15 workdays for both peak and off-season periods.

Established Manufacturer: 22 years of export experience with 13 production lines and 4 R&D engineers.

Company profile

Years of Export ExperienceExperienced TeamQuality AssuranceManagement Certification

Forsun Ultra-hard Material Industry Co., Ltd.

Hunan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 22 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤11.92h

AI-Powered supplier vetting

SummaryForsun Ultra-hard Material Industry Co., Ltd. is a China-based limited company established in 2001 with 107 employees, supplying drilling tools and accessories including core bits, core barrels, drill rods, casing pipes, reaming shells, and related equipment. It reports broad customization and ODM capabilities, documented quality and complaint-handling procedures, eight quality inspectors, and stated annual output of 250,000 core bits and 100,000 reaming shells. The supplier has valid manufacturing contracts with associated subcontractors, inventory capability, and lead times within 15 working days in both peak and off-season. However, no certifications, customer cases, overseas agents or branches, overseas warehouse, showroom, or offline trade-show participation are documented. It also does not provide OEM services for popular brands or an SDK. Financial information is present only as year references, without sufficient evidence to assess financial credibility.

Supplier typeThe supplier is identified as Forsun Ultra-hard Material Industry Co., Ltd., a combined business entity and limited company located in Hunan, China. It is not reported as an offshore company or part of a larger company group, and it offers drilling tools and accessories.

After-Sales capabilityThe supplier reports clear, followed procedures for customer complaints and corrective/preventive actions, plus inventory capability and standard quotation/payment options. However, it has no overseas warehouse, showroom, overseas agents or branches, and offers overseas service coverage in zero countries, indicating documented service processes but limited overseas infrastructure.

R&D capabilityThe supplier states that it had new products during the past year and provides ODM services, supporting active product-development capability. It reports no available SDK and does not provide OEM services for popular brands, but these limitations do not negate the stated R&D and ODM capabilities.

Production capacityProduction evidence includes named manufacturing equipment, eight quality inspectors, annual output of 250,000 core bits and 100,000 reaming shells, valid contracts with associated subcontractors, and lead times within 15 working days in both peak and off-season. These stated resources and capacity indicators support production capability.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. The same broad customization range is reported in both R&D and design-service information.