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Drill Bits of Polycrystalline Core Bit 8-1/2 Inch API 7-1 Standard Geothermy Well Drilling Core Bit
US$1.00-8,888.00
1 Piece
Product profile
Customization
AvailableAfter-sales Service
2Warranty
2Model NO.
8-1/2inchCertification
ISO 9001:2000, ISO 9001:2008, API 7-1Standard
API 7-1Surface Treatment
Spray-PaintManufacturing Process
CastingMaterial
Alloy SteelAPI Connection(Reg)Pin
Chuan8-3CBSWeight on Bit(kN/mm)
10-70Rotary Speed(Rpm)
40-80Primary Cutter Size
4*4*4*2.8Tfa(In2)
0.20-1.50Flow Rate(Lps)
11-25Gauge Length
1.5"Transport Package
Plywood Box and Ad RequiredSpecification
8-1/2 inchTrademark
RuishiOrigin
China, CangzhouHS Code
820719Production Capacity
20000PC/YearCompany profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 18years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤4.09h
AI-Powered supplier vetting
SummaryHebei Ruishi Bits Manufacturing Co., Ltd. is described as a specialized manufacturer of diamond drill bits and drilling tools, with research, design, manufacturing, sales, and service capabilities. It offers 3D design, OEM, ODM, and multiple customization options. The supplier reports machining, laser cutting, drilling, sawing, wire cutting, and testing equipment, along with documented inspection, quality assurance, corrective-action, and complaint-handling procedures. ISO9001:2015, ISO45001:2018, and ISO14001 certifications are reported. However, it reported no new products in the past year, only two R&D engineers, no overseas agents, branches, warehouse, or showroom, and no valid manufacturing-capacity contract with related subcontractors. Financial information is insufficient for assessment. Customer-case evidence is limited: it reports no Fortune 500 cooperation, while OEM service for well-known brands is claimed without naming customers.
Supplier typeThe supplier identifies itself as a specialized company engaged in the research, design, manufacture, sales, and service of diamond drill bits and drilling tools. This supports classification as a specialized drilling-tool manufacturer rather than a general trading company.
CertificationsReported management-system certifications include ISO9001:2015, ISO45001:2018, and ISO14001. The supplier also reports a product compliance certification category of “Others” and an environmental impact assessment report, but the specific product certification is not identified.
R&D capabilityThe supplier provides 3D software design, ODM, OEM, and several R&D customization services. Nevertheless, it reported no new products in the past year and lists only two R&D engineers, which is explicit evidence of limited recent product-development output.
Production capacityProduction resources include machining, laser cutting, radial drilling, sawing, wire cutting, and universal testing equipment. Documented inspection, quality-assurance, corrective-action, and supplier-assessment procedures are reported, with inventory capability and stated lead times; however, there is no valid manufacturing-capacity contract with related subcontractors.
Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, flexible customization, 3D software design, ODM, and OEM services for popular brands. These multiple stated service types provide direct evidence of broad customization capability.
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