What payment methods do you accept?

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

Is there quality control for finished products?

Yes, we perform 100% inspection including visual and function checks, followed by 8 QA inspectors.

What profiles are available for surface set bits?

We offer Semi-round profiles for kerf thickness less than 11mm and Stepped profiles for thickness over 11mm.

Nq Surface Set Diamond Core Drill Bit

Name: Nq Surface Set Diamond Core Drill Bit
Brand: Forsun Ultra-hard Material Industry Co., Ltd.
SKU: 1949273395

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

US$190.00-290.00

1 Piece

Product profile

Customized

Standard or Customized

Standard

ISO

Length

Stub-length

Model NO.

Type

Core Drill Bit

Material

Diamond

Usage

Ore Drilling

Kind

Diamond Drill

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

Customizable Design: Offers full customization from samples, designs, or minor adjustments to meet specific needs.

High Penetration Rate: Provides satisfying drilling speed with long bit life and good stability in various formations.

Wide Size Range: Available in A to Z gauge, T/T6 series, and metric sizes to fit diverse drilling requirements.

Durable Construction: Single layer of natural diamonds set on a hard matrix for soft to hard formations.

Professional Support: 4 R&D engineers and 8 QA inspectors ensure quality and technical reliability.

Fast Delivery: Average lead time within 15 workdays for both peak and off-season orders.

Flexible Ordering: Low MOQ of 1 piece with multiple payment options including LC, T/T, and PayPal.

ISO Standard: Standard products comply with ISO certification for consistent quality assurance.

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.