Powered by Made-in-China.com
Drill Bits of PDC Core Bit 8-1/2 Inch Mining Oil Geothermy Well Drilling-Tools API 7-1 Core Bit
US$1.00-8,888.00
1 Piece
Product profile
Customization
AvailableType
Core DrillUsage
Well DrillingModel NO.
8-1/2inchAPI Connection(Reg)Pin
Chuan8-3CBSWeight on Bit(kN/mm)
20-100Rotary Speed(Rpm)
40-150Primary Cutter Size
8mmTfa(In2)
0.50-1.20Flow Rate(Lps)
11-20Gauge Length
1.5"Transport Package
Plywood Box and Ad RequiredSpecification
8-1/2 inchTrademark
RuishiOrigin
China, CangzhouHS Code
820719Production Capacity
20000PC/YearKey features
API 7-1 Certified Quality: Strictly complies with API Spec7-1 and ISO9001 standards for stability and performance.
High Core Recovery Rate: Specially designed core head ensures high rates of core recovery in various formations.
Enhanced Wear Resistance: Inner and outer gauges protected by natural diamond for several-fold increased wear resistance.
Optimized Waterway Design: Benefits bit cleaning and cooling, significantly enhancing drilling footage capability.
Versatile Formation Application: Suitable for soft to medium hard abrasive formations like shale, limestone, and sandstone.
Customization Available: Supports customization from samples, designs, and flexible minor customization options.
Advanced Manufacturing: Equipped with 5-axis machining centers and CNC sintering furnaces for precision production.
Comprehensive Warranty: Repair or replace defected products during the warranty period to ensure customer satisfaction.
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: ≤4.26h
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:Are you a manufacturer or a trade company?
A:
We are a manufacturer, and we can help you find different kinds of products in the Chinese market to match your needs.
Q:Can I have a sample order?
A:
Yes, we welcome sample order to test. Mixed samples are acceptable.
Q:What about the lead time?
A:
Samples within 3 days, big order within 30 days.
Q:Do you have any MOQ limit?
A:
One piece for sample testing is available.
Q:How do you ship the goods and how long does it take to arrive?
A:
We usually send by DHL, UPS, FedEx or TNT. It takes around 3-5 days. Sea shipping also optional.
Send Inquiry
*To:
Hebei Ruishi Bits Manufacturing Co., Ltd
Hebei Ruishi Bits Manufacturing Co., Ltd*Content:
Supplier replies will be sent to your registered email
You may also like
Customized Special Double Tube Diamond PDC Core Bit Mining Bits Drilling Core Bits Impregnated PDC Bits
US$30.00-180.00
1 Piece(MOQ)
Factory Price PDC Drill Bit PDC Drag Bit Diamond Blade for Water Coal Mining
US$47.00-719.00
1 Piece(MOQ)
High-Performance 12-1/4 Inch PDC Drill Bit for Oil Wells
US$24,820.00-24,990.00
1 Piece(MOQ)
Factory Price Pq Bq Nq Hq Sq PDC Core Drill Bit---Coal Mining
US$20.00-360.00
1 Piece(MOQ)
Drill Bit 3wings 4wings PDC Rock Drill Bit Diamond Drill Bit Water Well Drill Bit Oil Drill Bit PDC
US$30.00-500.00
1 Piece(MOQ)
Geological Exploration Hard Rock PDC Mining Drill Bit
US$9.00-13.00
1 Piece(MOQ)
PDC Mining Drill Bits: Geological, Rock, Well Drilling Button Sets
US$2.80-3.80
1 Piece(MOQ)
2 Inch Laser Welded Concrete Core Bit
US$10.00-30.00
20 Pieces(MOQ)
Non Core PDC Bits for Geological Drilling
US$120.00-400.00
2 Pieces(MOQ)
Factory Price Two Wing Prongs Rock Anchor Drill Bit Coal Mining PDC Anchor Bit
US$8.50-14.50
1,000 Pieces(MOQ)
Three Blades Non Core PDC Drill Bit
US$120.00-400.00
1 Piece(MOQ)
Roof Bolt Mining Bit 2 Two Wing PDC Anchor Shank Drill Bit
US$5.90-7.00
1,000 Pieces(MOQ)
Oil & Mining Well PDC Drilling Bits API 7-1 Standard Factory Drill Bit
US$19.00
10 Pieces(MOQ)
The Carbide Reamer Shell Pq Bit PDC Core Drill Bit
US$240.00
1 Piece(MOQ)
High Quality Mining Tools Matric Body PDC Core Drilling Bit
US$50.00-200.00
1 Piece(MOQ)
66mm Coal Mining Equipment Non Core PDC Concave Drill Bit/Geological Mining Drill Bit with Manufacturer Price
US$1.00-2,140.00
1 Piece(MOQ)
Coal Mining Tools PDC Anchor Drill Bit 28mm 32mm 42mm PDC Anchor Shank Bit
US$8.95
500 Pieces(MOQ)
Drilling Drag Bit, Boring, 2"-18", T. C PDC
US$10.00-1,000.00
1 Piece(MOQ)
17-1/2 Inch 7 Blades PDC Drill Bit for Hard Formation
US$2,999.00-7,999.00
1 Piece(MOQ)
Nq Diamond Core Bit S9 Mining Drilling Bit High Quality of Well Drill Bit
US$200.00
1 Piece(MOQ)



















