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.

4" Bi-Center PDC Bit Mining Well Drilling-Tools API Drill Bit

Name: 4-3/4"*5-3/4"*6-3/4" Bi-Center PDC Bit Mining Well Drilling-Tools API Drill Bit
Brand: Hebei Ruishi Bits Manufacturing Co., Ltd
SKU: 2040928042

Hebei, ChinaHebei Ruishi Bits Manufacturing Co., Ltd

4-3/4"*5-3/4"*6-3/4" Bi-Center PDC Bit Mining Well Drilling-Tools API 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

Standard

API 7-1

Surface Treatment

Spray-Paint

Manufacturing Process

Casting

Material

Alloy Steel

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

8-1/2 inch

Trademark

Ruishi

Origin

China, Cangzhou

HS Code

820719

Production Capacity

20000PC/Year

Key features

Bi-Center PDC Design: Optimized cutting structure minimizes wear and increases bit life in medium to hard formations.

API & ISO Certified: Complies with API 7-1, ISO 9001:2008, and ISO 14001 standards for quality and safety.

Customizable Parameters: Custom options available for Weight on Bit, Rotary Speed, Cutter Size, Flow Rate, and Gauge Length.

High Efficiency Drilling: Spiral blade water channels and leading water holes ensure fast chip removal and improved drilling speed.

Versatile Application: Suitable for medium to medium hard formations, including hard shale, limestone, and dolomite.

Professional Manufacturer: Established in 1990 with advanced CNC equipment and a team of technical experts.

Flexible Packaging: Standard iron or wooden boxes; custom packaging solutions available upon request.

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: ≤3.63h

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.