What payment methods do you accept?

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

How do you handle faulty products?

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

8-1/2 Inch Core Bit API 7-1 Factory Outlet Oil Well Drilling-Tools

Name: 8-1/2 Inch Core Bit API 7-1 Factory Outlet Oil Well Drilling-Tools
Brand: Hebei Ruishi Bits Manufacturing Co., Ltd
SKU: 2188477105

Hebei, ChinaHebei Ruishi Bits Manufacturing Co., Ltd

US$8,800.00

1 Piece

Sample price:US$8800.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

1year

Warranty

1year

Model NO.

8-1/2inch

Manufacturing Process

CNC Milling

Surface Treatment

Sand Blast

Material

Alloy

Gauge Length

1.5''

Connection

Chuan8-3CBS

Recommended Rpm (R/Min)

40-150

Recommended Wob (kN)

20-100

Recommended Flow Rate(Lps)

45-80

Overall Dimension (mm)

28*28*28

Primary Cutter Size(mm)

Bit Size (mm)

215

Transport Package

Box

Specification

28*28*28

Trademark

Ruishi

Origin

China

HS Code

8207191000

Production Capacity

4000

Key features

High-Performance Steel: Crafted from 4145H steel with HRC50 hardness, offering superior toughness and compression resistance.

Extended Durability: Superior wear resistance ensures the drill bit lasts over 30% longer than conventional materials.

Anti-Balling Design: CFD hydraulic balance design ensures optimal bottom hole flow pattern and prevents balling.

Enhanced Stability: Anti-whirl design improves Rate of Penetration (ROP) and enhances drilling stability.

Wear-Resistant Blades: Blades welded with wear-resistant hardfacing material to improve erosion and wear resistance.

Certified Quality: Adheres to API, ISO9001, ISO 14001, and OHSAS 18001 standards for consistent performance.

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

Manufacturer Direct: Direct factory outlet with 18 years of export experience and full production lines.

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: ≤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.