What are the payment terms?

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

How do you deal with faulty products?

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

8-1/2 Inches (215.9mm) PDC Drill Bits with 4 Blades for Well Drilling

Name: 8-1/2 Inches (215.9mm) PDC Drill Bits with 4 Blades for Well Drilling
Brand: Hebei Ruishi Bits Manufacturing Co., Ltd
SKU: 2079878855

Hebei, ChinaHebei Ruishi Bits Manufacturing Co., Ltd

US$2,780.00-3,180.00

1 Piece

Sample price:US$3000.00/piece.Request sample

Product profile

Customization

Available

Customized

Length

Taper-length

Model NO.

S1642FG

Type

Center Drill Bit

Material

High Carbon Steel

Usage

Well Drilling

Product Name

PDC Bit

IADC Code

S223

Connecting

4 1/2'' API Reg

Gauge Length

2''-3.5''

Nozzle Quantity

Quality Standards

API Spec 7-1; ISO 9001

Primary Cutter Size

16mm

Rotary Speed

60~250

Weight on Bit

10~100

Flow Rate

25~36

Application

Medium Hard Formation High Compressive Strength

Transport Package

Iron Box/ Wooden Box

Specification

8 1/2''

Trademark

Ruishi

Origin

China

HS Code

8207191000

Production Capacity

2500 Pieces/Year

Key features

High Durability Material: Crafted from 4145H High-Performance Steel with hardness up to HRC50, lasting over 30% longer than conventional materials.

Enhanced Cutting Stability: Features a double row of teeth and 4 blades (two long, two short) to regulate cutting volume and protect main teeth from premature wear.

Directional Drilling Design: Short parabola design optimizes bit surface area, reducing friction and improving service life in deviated and directional wellbores.

Efficient Chip Removal: Innovative 6-hole waterway design with spiral blades enhances hydraulics for faster cuttings evacuation and reduces clogging.

Superior Abrasion Resistance: Arc-shaped PDC composite gauge and wear-resistant hardfacing material on blade surfaces boost durability in abrasive applications.

Customizable Specifications: Offers full customization including product name, IADC code, gauge length, nozzle quantity, and cutter size to match specific drilling objectives.

Certified Quality Standards: Adheres strictly to API Spec 7-1, ISO 9001, ISO 14001, and OHSAS 18001 standards for consistent quality and safety.

Comprehensive After-Sale Support: Provides free replacement for quality-related problems and timely after-sale support throughout 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: ≤0.80h

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.