What are the payment terms?

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

How long is the lead time?

The average lead time is within 15 workdays for both peak and off-peak seasons.

What is the matrix hardness range?

The matrix hardness is available from Soft to Ultra-Hard depending on the formation requirements.

Hq Double Tube Wireline Surface Set Core Bit, 7-Step, 40/60spc

Name: Hq Double Tube Wireline Surface Set Core Bit, 7-Step, 40/60spc
Brand: Forsun Ultra-hard Material Industry Co., Ltd.
SKU: 839340375

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

US$100.00-200.00

1 Piece

Sample price:US$150.00/piece.Request sample

Product profile

Customized

Non-Customized

Standard

ISO 9001

Type

Core Drill Bit

Model NO.

Material

Diamond

Usage

Ore Drilling

Matrix Hardness

Soft to Ultra-Hard

Sizes

(Bq/Nq/Hq/Pq/Nwg/T2/T6/Tt/B Series)

Transport Package

Carton

Specification

ISO9001

Trademark

FORSUN

Origin

Changsha Hunan

HS Code

82071910

Production Capacity

1000 Per Month

Key features

Diamond Material: Constructed with natural diamond setting on the bit crown for superior drilling performance.

Wide Size Compatibility: Available in Bq, Nq, Hq, Pq, Nwg, T2, T6, Tt, B Series and other standard CDDA, DCAMA sizes.

Dual Profile Design: Offers Semi-round for kerf under 11mm and Stepped profile for kerf over 11mm.

High Penetration Rate: Designed to provide satisfying penetration rates in soft to hard formations.

Matrix Hardness Range: Matrix hardness options range from Soft to Ultra-Hard to match specific formation types.

ISO 9001 Certified: Manufacturing process adheres to ISO 9001:2015, ISO14001, and ISO45001:2018 standards.

Customization Available: Offers full, minor, and flexible customization based on client drawings and samples.

100% Quality Inspection: Every finished product undergoes visual and functional inspection before shipment.

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: ≤11.21h

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.