What are the recommended rotary speed and weight on bit?

Recommended parameters vary by size; for 12-1/4' bits, rotary speed is 60-250 rpm and weight on bit is 30-180 kN.

What is the warranty or quality guarantee?

We ensure stability through strict quality management systems and perform 100% visual and function inspection on finished products.

Tricone Combined Drill Bit with Three Blades for Mining Well Drilling-Tools

Name: API 7-1 Standard 16-1/4 Inch PDC/Tricone Combined Drill Bit with Three Blades for Mining Well Drilling-Tools
Brand: Hebei Ruishi Bits Manufacturing Co., Ltd
SKU: 2126161042

Hebei, ChinaHebei Ruishi Bits Manufacturing Co., Ltd

US$8,888.00

1 Piece

Product profile

Customization

Available

Customized

Length

Taper-length

Type

Combined Bit

Material

Alloy Steel

Usage

Well Drilling

Weight on Bit(kN/mm)

30-180

Rotary Speed(Rpm)

60-250

Primary Cutter Size

16mm

Flow Rate(Lps)

25-36

Gauge Length

2"-3.5"

API Connection

6-5/8" API Reg

Transport Package

Plywood Box and Ad Required

Specification

12-1/4 inch

Trademark

Ruishi

Origin

China

HS Code

8207191000

Production Capacity

20000PCS/Year

Key features

API 7-1 Certified Quality: Strictly complies with API Spec7-1 and ISO9001/14001/OHSAS18001 standards.

PDC/Tricone Combined Design: Features three blades with PDC and Tricone cutters for efficient mining well drilling.

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

Advanced Manufacturing: Equipped with five-axis machining centers, CNC sintering furnaces, and professional design software.

Wide Size Range: Covers all sizes from 2 inches to 26 inches, including 8-1/2' and 12-1/4' models.

Professional Expertise: Backed by drilling technical experts with years of experience in diamond drill bit research.

100% Quality Inspection: Rigorous visual and function inspection for finished products with traceable raw materials.

Flexible Packaging: Standard iron or wooden boxes, with packaging customizable to specific customer requirements.

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: ≤4.93h

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.