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8 1/2 Inches PDC Double Core Bits, 19mm PDC Cutters, 4 Blades, Suitable for Coring in Medium Soft Formations
US$1.00-7,997.00
1 Piece
Sample price:US$6597.00/piece.Request sample
Product profile
Customization
AvailableCustomized
CustomizedLength
Taper-lengthModel NO.
8-1/2Type
Drill BitMaterial
High Carbon SteelUsage
Well DrillingOption Feature
Short or Extend or Active GaugePDC Cutter
Trigonal Tooth; Roof Crest; Axe or Benz TeethFormation
1km;2km;3km;5km or OtherApplication
Oil Gas Water Well Mines Coalbed MethaneGauge
Extende GaugeCutter
High Density CutterPrimary Cutter Size
19mmNozzie Qty
8Gauge Length
2.5"Recommended Rpm (R/Min)
60-250Transport Package
Plywood Box, Iron Box or as RequiredSpecification
6" 6-1/8" 8-1/2" 8-3/4" 12-1/4" 17-1/2"Trademark
RuishiOrigin
ChinaHS Code
8207191000Production Capacity
20000PCS/YearKey features
High Efficiency PDC Design: Efficient drilling tool with unique design for rapid operations in various geological conditions.
API Standard Compliance: Strictly complies with API Spec7-1 quality management standards for stability and performance.
Advanced Manufacturing: Equipped with 5-axis machining centers and NC sintering furnaces for precise production.
Customizable Options: Offers short, extended, or active gauge options with various PDC cutter shapes and sizes.
Multi-Industry Application: Suitable for oil, gas, water wells, mines, and coalbed methane in medium soft formations.
ISO Certified Quality: Certified by ISO9001, ISO14001, and OHSAS18001 for comprehensive quality management.
Durable Gauge Design: Unique gauge with high quality PDC cutters increases wear resistance and bit stability.
Global Service Network: Wide sales and service network in China with exports to North America, Europe, and Africa.
Company 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: ≤4.29h
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.
Product Q&A
Q:Is your company a trading company or a manufacturing factory?
A:
We are a professional manufacturer with over 20 years of experience.
Q:What payment terms do you accept?
A:
We accept T/T, L/C, PayPal, and other standard international payment methods.
Q:What is the guarantee and warranty for quality?
A:
We are an API and ISO certified factory with a strong after-sales service team and expert consultants.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 1 set.
Q:What are the lead times for production?
A:
Peak season lead time is one month, while off-season lead time is within 15 workdays.
Send Inquiry
*To:
Hebei Ruishi Bits Manufacturing Co., Ltd
Hebei Ruishi Bits Manufacturing Co., Ltd*Content:
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