What types of formations is this bit suitable for?

It is suitable for coring in soft to medium hard abrasive formations such as soft shale, limestone, and sandstone.

What is the warranty or quality guarantee?

We perform 100% inspection (visual and function) on finished products and trace raw materials.

API 7-1 Standard 8-1/2 Inch PDC Core Bit with Blades for Core Drilling Factory Outlet

Name: API 7-1 Standard 8-1/2 Inch PDC Core Bit with Blades for Core Drilling Factory Outlet
Brand: Hebei Ruishi Bits Manufacturing Co., Ltd
SKU: 2114244412

Hebei, ChinaHebei Ruishi Bits Manufacturing Co., Ltd

US$1.00-8,888.00

1 Piece

Product profile

Customization

Available

Customized

Length

Taper-length

Model NO.

8-1/2inch

Type

Core Drill Bit

Material

Alloy steel

Usage

Well Drilling

API Connection(Reg)Pin

Chuan8-3CBS

Weight on Bit(kN/mm)

20-100

Rotary Speed(Rpm)

40-80

Primary Cutter Size

6PCS/CT

Tfa(In2)

0.20-1.50

Flow Rate(Lps)

10-25

Gauge Length

1.5"

Transport Package

Plywood Box and Ad Required

Specification

8-1/2 inch

Trademark

Ruishi

Origin

China

HS Code

8207191000

Production Capacity

20000PCS/Year

Key features

API 7-1 Standard Compliance: Strictly complies with API Spec7-1 quality management standards for production.

High Core Recovery Rate: Specially designed core head provides 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 for efficient drilling performance.

Multi-Formation Applicability: Suitable for soft to medium hard abrasive formations like shale, limestone, and sandstone.

Full Customization Options: Offers customization from samples, designs, full customization, and flexible minor adjustments.

ISO & OHSAS Certified: Complies with ISO9001, ISO14001, and OHSAS18001 quality and safety management systems.

100% Finished Product Inspection: Every bit undergoes visual and function inspection before shipment.

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: ≤4.81h

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.