What is the lead time for production?

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

What payment terms do you accept?

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

Do you perform quality inspection?

Yes, we conduct 100% inspection including visual and function inspection for finished products.

Surface Set Diamond Core Bit 7 Steps Crowns

Name: Surface Set Diamond Core Bit 7 Steps Crowns
Brand: Forsun Ultra-hard Material Industry Co., Ltd.
SKU: 2091596595

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

US$145.00-300.00

1 Piece

Sample price:US$1.00/piece.Request sample

Product profile

Customized

Standard

ISO, SGS

Type

Core Drill Bit

Model NO.

AQ BQ NQ HQ PQ AWL BWL NWL HWL PWL

Material

Diamond

Usage

Ore Drilling

Transport Package

Cartons or Wooden Cases

Specification

ISO9001

Trademark

FORSUN

Origin

Changsha Hunan

HS Code

82071910

Production Capacity

1000 Per Month

Key features

Single Layer Diamond Setting: Produced with natural diamonds set on the bit crown surface with a hard matrix.

Versatile Formation Drilling: Recommended for drilling soft to hard formations with satisfying penetration rates.

Semi-Round Profile Design: Ideal for kerf thickness under 11mm, offering long life and damage avoidance.

Stepped Profile for Stability: Suitable for kerf over 11mm, providing high penetration rate and good stability.

Comprehensive Size Range: Available in A, B, N, H, P, S, U, Z gauges and various metric series.

Full Customization Options: Offers customization from samples, designs, full, minor, and flexible options.

100% Finished Product Inspection: Includes visual and function inspection with uniform instructions followed.

Fast Peak Season Lead Time: Production completed within 15 workdays during peak seasons.

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.