What sizes are available for the Overshot?

The available sizes are Nq, Hq, Pq, and Bq.

What is the Minimum Order Quantity (MOQ)?

The Minimum Order Quantity is 1 piece.

What are the payment terms?

Payment terms include LC, T/T, PayPal, Small-amount payment, and D/P.

Nq Overshot for Diamond Coring Drilling

Name: Nq Overshot for Diamond Coring Drilling
Brand: Forsun Ultra-hard Material Industry Co., Ltd.
SKU: 760843305

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

US$247.00-290.00

1 Piece

Product specifications

NQ

Product profile

Type

Core Drill

Usage

Well Drilling, Diamond Core Drilling

Size

Nq, Hq, Pq, Bq

Model NO.

Transport Package

Plywood Case

Specification

ISO9001

Trademark

Forsun

Origin

Changsha Hunan

HS Code

84314320

Production Capacity

100 Sets Per Month

Key features

Ezy Lock Safety Design: Modified design protects against accidental release of the core barrel during hoisting.

One-Handed Operation: Ezy Lock Sleeve allows quick, one-handed rotation to lock the lifting dogs efficiently.

Quick Release Safety Pin: Locks the overshot head to the spearhead point for enhanced security and ease of use.

High Strength Alloy Steel: Jar staff features increased diameter and fail-safe stop for durability and reliability.

Wireline Drilling Efficiency: Eliminates need to couple/uncouple rod string by directly lifting inner tube assembly.

Customizable Sizes: Available in Nq, Hq, Pq, and Bq sizes to meet specific drilling requirements.

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: ≤10.40h

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 is the main function of the Nq Overshot?

It is a necessary device in wireline drilling that couples onto and lifts the inner tube assembly, eliminating the need to couple and uncouple the rod string each time the core is retrieved.

Q:What safety features does the Ezy Lock Overshot have?

It protects against accidental release of the core barrel and includes a Quick Release Safety Pin that locks the overshot head to the spearhead point.

Q:How does the Ezy Lock Sleeve improve operation?

The Ezy Lock Sleeve provides a quick, one-handed rotation mechanism to lock the lifting dogs, enhancing operational efficiency.

Q:What material is used for the jar staff?

The jar staff is made of high-strength alloy steel with an increased diameter and a fail-safe stop mechanism.

Q:Is customization available for this product?

Yes, customization options include customization from samples, designs, full customization, minor customization, and flexible customization.