TT, Paypal, L/C, Western Union; 30% deposit before mass production, balance against copy of B/L.

How to deal with the faulty?

During the warranty period, we will repair or replace defected products.

4" Bi-Center PDC Bit API 7-1 Drill Bit

Name: Petroleum Well Drilling-Tools 4-3/4"*5-3/4"*6-3/4" Bi-Center PDC Bit API 7-1 Drill Bit
Brand: Hebei Ruishi Bits Manufacturing Co., Ltd
SKU: 2047049232

Hebei, ChinaHebei Ruishi Bits Manufacturing Co., Ltd

Petroleum Well Drilling-Tools 4-3/4"*5-3/4"*6-3/4" Bi-Center PDC Bit API 7-1 Drill Bit

US$1.00-8,888.00

1 Piece

Product profile

Customization

Available

After-sales Service

Warranty

Model NO.

4-3/4"*5-3/4"*6-3/4"

Certification

ISO 9001:2000, ISO 9001:2008, API 7-1

Power Source

Electric

Operation Pressure

Atmospheric Pressure

Applicable Medium

Mud, Water, Natural Gas, Crude Oil

Structure

Horizontal

Material

Alloy

Weight on Bit(kN/mm)

25-60

Rotary Speed(Rpm)

60-130

Primary Cutter Size

13mm

Flow Rate(Lps)

10-30

Gauge Length

1.5"

API Connection

4-1/2" API Reg

Transport Package

Plywood Box and Ad Required

Specification

4-3/4"*5-3/4"*6-3/4"

Trademark

Ruishi

Origin

China, Cangzhou

HS Code

820719

Production Capacity

20000PC/Year

Key features

Bi-Center PDC Design: Features parabolic outer cone crown to minimize cutter wear and decrease whirling probability.

Wide Formation Adaptability: Suitable for medium to hard formations including hard shale, limestone, dolomite, and claystone.

Efficient Chip Removal: Spiral blades with widened water channels and coaxial four-blade cross design for fast chip removal.

Advanced Manufacturing: Produced with five-axis machining centers, CNC tools, and sintering furnaces by expert technical teams.

Comprehensive Certifications: Complies with ISO 9001, ISO 14001, OHSAS 18001, and API Spec 7-1 quality management standards.

Flexible Customization: Offers full customization, minor customization, and flexible options based on samples or designs.

Global Shipping Options: Supports DHL, UPS, FedEx, TNT, and sea shipping with 3-5 day delivery for samples.

2-Year Warranty Coverage: Provides repair or replacement for defected products during the warranty period.

Company profile

Importers and ExportersYears of Export ExperienceSelf-brandedExhibition Experience

Hebei Ruishi Bits Manufacturing Co., Ltd

Hebei, China

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: ≤1.76h

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.