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8 1/2" 19mm Main Cutting Tooth, Four Blade, Medium Soft Formation, PDC Steel Body Drill Bit
US$1.00-7,997.00
1 Piece
Sample price:US$6597.00/piece.Request sample
Product profile
Customization
AvailableCustomized
CustomizedLength
2"-3.5"Model NO.
8-1/2Type
Drill BitMaterial
DiamondUsage
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 CutterNumber of Blade
4Primary Cutter Size
19mmNozzie Qty
6Connection
4-1/2" API RegRecommended Rpm (R/Min)
50-250Recommended Wob (kN)
30-120Recommended Flow Rate (Lps)
25-40Transport 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 Design: 4-blade PDC steel body bit with 19mm main cutting teeth for rapid drilling in various strata.
Customizable Features: Options include short/extend/active gauge, trigonal/roof crest/axe teeth, and high density cutters.
API & ISO Certified: Complies with API Spec7-1, ISO9001, ISO14001, and OHSAS18001 quality management standards.
Advanced Manufacturing: Equipped with 5-axis machining centers, NC lathes, and sintering furnaces for precision production.
Wide Application Range: Suitable for oil, gas, geothermal wells, mines, and coalbed methane drilling in formations up to 5km.
Enhanced Wear Resistance: Unique gauge design with high quality PDC cutters significantly increases stability and bit life.
Professional Support: Strong after-sales service team with expert consultants and online factory tour capabilities.
Trusted Manufacturer: Established in 1990, a leading supplier in North China with exports to Europe, America, 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: ≤3.58h
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:What are the main specifications of this drill bit?
A:
It is an 8 1/2 inch, 4-blade PDC steel body drill bit with 19mm main cutting teeth, designed for medium soft formations.
Q:Is customization available for this product?
A:
Yes, customization is available including options for gauge type (short/extend/active), cutter shape (trigonal/roof crest/axe), and formation depth.
Q:What certifications does the manufacturer hold?
A:
The factory is API and ISO certified, complying with ISO9001, ISO14001, OHSAS18001, and API Spec7-1 standards.
Q:What are the recommended operating parameters?
A:
Recommended RPM is 50-250, WOB is 30-120 kN, and flow rate is 25-40 Lps.
Q:What payment terms are accepted?
A:
Accepted payment terms include T/T, L/C, PayPal, Western Union, and D/P.
Send Inquiry
*To:
Hebei Ruishi Bits Manufacturing Co., Ltd
Hebei Ruishi Bits Manufacturing Co., Ltd*Content:
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