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8 1/2 Inches M723 Natural Diamond Core Bits, Suitable for Coring in Medium Hard to Hard Formations with Abrasive Properties
US$1.00-7,997.00
1 Piece
Sample price:US$6597.00/piece.Request sample

Product profile

Customization

Available

Customized

Customized

Length

Taper-length

Model NO.

8-1/2

Type

Drill Bit

Material

High Carbon Steel

Usage

Well Drilling

Option Feature

Short or Extend or Active Gauge

PDC Cutter

Trigonal Tooth; Roof Crest; Axe or Benz Teeth

Formation

1km;2km;3km;5km or Other

Application

Oil Gas Water Well Mines Coalbed Methane

Gauge

Extende Gauge

Cutter

High Density Cutter

Bit Size (in)

8 1/2"

Bit Size (mm)

251.9

Primary Cutter Size(mm)

16

Tfa(in)

0.2-1.5

Gauge Length

1.5"

Recommended Rpm (R/Min)

40-150

Recommended Wob (kN)

10-70

Recommended Flow Rate(PS)

11-25

Transport Package

Plywood Box, Iron Box or as Required

Specification

6" 6-1/8" 8-1/2" 8-3/4" 12-1/4" 17-1/2"

Trademark

Ruishi

Origin

China

HS Code

8207191000

Production Capacity

20000PCS/Year

Key features

Natural Diamond Core Bit: Efficient drilling tool for medium hard to hard formations with abrasive properties.
API & ISO Certified: Complies with API Spec7-1, ISO9001, ISO14001, and OHSAS18001 standards.
Customizable Options: Features like gauge, cutter type, and row design can be customized per requirements.
High Density Cutter: Ensures efficient reaming and drilling while extending application range.
Professional Manufacturer: Over 20 years experience with advanced 5-axis machining and NC equipment.
Strong After-Sales Support: Technical service team and effective after-sales support available.
Global Export Experience: Products exported to North America, Europe, Africa, and Middle East.
100% Quality Inspection: Strict visual and function inspection ensures no substandard products leave factory.

Company profile

Hebei Ruishi Bits Manufacturing Co., Ltd
Importers and ExportersYears of Export ExperienceSelf-brandedExhibition Experience
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.

Product Q&A

Q:Are you a trading company or manufacturing factory?
A:
We are a professional manufacturer with over 20 years of experience.
Q:What are the accepted payment terms?
A:
We accept T/T, L/C, PayPal, Western Union, and Small-amount payment.
Q:What is the guarantee and warranty of quality?
A:
We are an API and ISO certified factory with a strong and effective after-sales service team.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 1 set.
Q:What is the lead time for production?
A:
Peak season lead time is one month; off-season lead time is within 15 workdays.

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