Does the product come with quality inspection?

Yes, we perform 100% inspection on finished products, including visual and functional inspections, with 8 dedicated QA/QC inspectors.

What is the warranty period for this core bit?

The provided product description does not specify a warranty period. Please contact the supplier directly for warranty details.

Hmlc Nmlc Tungsten Carbide Core Bit

Name: Hmlc Nmlc Tungsten Carbide Core Bit
Brand: Forsun Ultra-hard Material Industry Co., Ltd.
SKU: 1955675545

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

US$40.00-150.00

1 Piece

Product profile

Customized

Non-Customized

Standard

ISO

Length

Stub-length

Model NO.

HMLC NMLC

Type

Core Drill Bit

Material

Diamond

Usage

Geotechnical Drilling

Transport Package

Carton, Plywood Case

Specification

NMLC HMLC

Trademark

FORSUN

Origin

Changsha, China

HS Code

82071910

Production Capacity

1000PCS/Month

Key features

Cost-Effective Drilling Solution: Ideal for softer unconsolidated formations like clay, sand, gypsum, and soft shale.

Durable Tungsten Carbide Crown: Features a tough, wear-resistant matrix body with tungsten carbide gauge protection.

Extensive Size Compatibility: Available in Wireline, T, TT, T6, B, C, LTK, WF, WT, WG, WM series and Chinese/Russian standards.

100% Finished Product Inspection: Every unit undergoes strict visual and functional inspection before shipment.

Flexible Customization Options: Supports customization from samples, designs, full customization, and minor adjustments.

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

Established Manufacturer: Factory established in 2001 with 22 years of export experience and 13 production lines.

Traceable Raw Materials: Full traceability of raw materials ensures consistent quality and reliability.

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: ≤15h

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.

Product Q&A

Q:What types of formations are suitable for this core bit?

It is primarily used for drilling softer unconsolidated formations, including clay, sand, gypsum, and soft shale, making it cost-effective for geotechnical soil investigation.

Q:Is this product customizable?

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

Q:What is the minimum order quantity?

The minimum order quantity is 1 piece.

Q:What are the available payment terms?

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

Q:What is the lead time for production?

The average lead time is within 15 workdays, regardless of whether it is peak season or off-season.