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7-Step Surface Set Core Drill Bit Hq-3
US$237.00-240.00
1 Piece
Sample price:US$1.00/piece.Request sample
Product profile
Customized
CustomizedStandard
ISO, SGSType
Core Drill BitModel NO.
AQ, BQ, NQ, HQ, PQ, NQ3, HQ3, PQ3Material
DiamondUsage
Ore DrillingMatrix Hardness
Soft to Ultra-HardSizes
Nq3, Hq3, Pq3, Aq, Bq, Nq, Hq, PqTransport Package
CartonSpecification
ISO9001Trademark
FORSUNOrigin
Changsha HunanHS Code
82071910Production Capacity
1000 Per MonthKey features
High Penetration Rate: Surface set design provides satisfying penetration rate in soft to hard formations.
Customizable Matrix: Matrix hardness can be customized from soft to ultra-hard based on formation.
Multiple Profile Options: Semi-round and stepped profiles available for different kerf thicknesses and stability needs.
Wide Size Range: Available in A to Z gauge sizes plus metric series, covering standard CDDA and ISO sizes.
Durable Construction: Single layer of natural diamond set on hard matrix for long bit life and damage avoidance.
100% Quality Inspection: Finished products undergo visual and function inspection by 8 QA/QC inspectors.
Fast Lead Time: Average lead time within 15 workdays for both peak and off-season periods.
Flexible Customization: Supports customization from samples, designs, full or minor customization options.
Company profile
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 formations is this surface set diamond bit suitable for?
A:
It is mainly recommended for drilling soft to hard formations, providing satisfying penetration rates.
Q:Can the matrix hardness be customized?
A:
Yes, the matrix hardness can be customized from soft to ultra-hard to match specific drilling requirements.
Q:What are the available profile designs?
A:
Semi-round profiles are used for kerf thickness less than 11mm, while stepped profiles are for thickness over 11mm.
Q:What sizes are available for these core drill bits?
A:
We offer A to Z gauge core bits, T series metric bits, and all other standard CDDA, DCAMA, Crealius, and ISO sizes.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 1 piece.
Send Inquiry
*To:
Forsun Ultra-hard Material Industry Co., Ltd.
Forsun Ultra-hard Material Industry Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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