What is the average lead time for production?

The average lead time is 7-30 days. During both peak and off-seasons, production is completed within 15 workdays.

What payment terms are accepted?

We accept LC, D/P, T/T, PayPal, Western Union, and small-amount payments to accommodate different customer preferences.

What is the hardness comparison between tungsten carbide and diamond?

Tungsten carbide is a very hard material, with hardness only lower than diamond, offering a cost-effective alternative for many drilling applications.

Mud Drilling Bit 3-1/2 Inch Tri-Cone Drill Bit of Drilling Tool

Name: Mud Drilling Bit 3-1/2 Inch Tri-Cone Drill Bit of Drilling Tool
Brand: Suzhou Energy Tool Co., Ltd.
SKU: 1920423042

Jiangsu, ChinaSuzhou Energy Tool Co., Ltd.

US$1.00-3,000.00

1 Piece

Sample price:US$3000.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

API

Model NO.

Tricone bit

Length

Stub-length

Type

Center Drill Bit

Material

Diamond

Usage

Well Drilling, Rock Drilling

Cutter Type

Flat or Triangular Rhombus Diamond

Rock Formation

Hard Formation

Surface Treatment

Spray Paint

Rock Type

Solid Sandstone

Usage Area

Well Drilling Equipment

Order Type

OEM, ODM

Cycle Type

Liquid Cycle

Welding Type

Laser Welding or High Frequency

Application

Oil, Mining or Water Well or Geographical Explorat

Advantage

High Performance and Long Life

Average Leadtime

7-30days

Warranty Period

1 Year

Transport Package

Wooden Box

Specification

pdc cutter size 1613

Trademark

pdc or drill brand

Origin

China

HS Code

8207191000

Production Capacity

5000PCS

Key features

API Certified Quality: Manufactured according to strict API specs, ensuring reliable performance in oil, mining, and water well drilling.

Versatile Rock Adaptation: Available in TCI for middle-hard rock and Steel Tooth for soft formations, tailored to specific geological conditions.

Cost-Effective Durability: Tungsten carbide inserts offer high hardness and long life at a lower price point compared to diamond drill bits.

Full Customization Support: OEM/ODM services available with customization from samples, designs, or full specifications for unique needs.

Wide Application Scope: Ideal for coal, copper, rare metal mines, water wells, oil/gas wells, and geological prospecting operations.

Optimized Bearing Options: Operators can choose between open and sealed bearings with three shirttail protection options for enhanced durability.

Rapid Delivery Cycle: Average lead time of 7-30 days, with peak and off-season production within 15 workdays.

100% Quality Inspection: Every finished product undergoes strict visual and functional inspection to ensure zero-defect delivery.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceFast DeliveryLow MOQ

Suzhou Energy Tool Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 6 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤10.01h

AI-Powered supplier vetting

SummaryThe supplier is a 26-employee manufacturing factory in Zhangjiagang, Suzhou, producing PDC and tricone bits. It provides OEM services for well-known brands, ODM services, and broad customization based on samples or designs. R&D uses AutoCAD, Pro/E, and SolidWorks, and the supplier reports new products within the past year; however, it lacks available SDKs and auditable R&D design documentation. Quality-related procedures and records are reported for corrective actions, complaint handling, supplier-service assessment, and finished-product inspection, with one quality inspector identified. Service strengths include stocked products, participation in the OCT offline trade show, and stated peak- and off-season lead times within 15 working days. Limitations include no valid manufacturing contract with related subcontractors, no overseas warehouse, showroom, agent, or branch, and zero stated countries served overseas. Financial information is insufficient for a credibility judgment.

Supplier typeThe supplier is explicitly identified as a factory and limited company in the manufacturing industry, located in Zhangjiagang, Suzhou, with 26 employees and no stated parent or affiliated company. This supports classification as a standalone small manufacturing supplier.

After-Sales capabilityThe supplier reports clear procedures and followed records for corrective and preventive actions and customer complaints, plus written procedures and records for service-capability assessment. It also has in-stock capacity and has participated in an offline trade show, but lacks overseas warehouses, showrooms, agents, and branches, with zero countries stated for overseas services.

R&D capabilityThe supplier reports new products within the past year, offers ODM services, and uses AutoCAD, Pro/E, and SolidWorks; its R&D role includes new-product development, drawing design, and production technology support. However, no SDK is available and no auditable R&D design input, output, review, verification, or validation documents are available.

Production capacityThe supplier is a manufacturing factory with lathing, CNC, and automatic-lathing facilities, one quality inspector, standardized finished-product inspection instructions, stocked-service capacity, and stated lead times within 15 working days in both peak and off seasons. A material weakness is the absence of a valid contract between the factory and related subcontractors.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization, and also reports ODM capability. These repeated service descriptions provide direct evidence of broad customization coverage.

Client casesThe supplier states that it provides OEM services for well-known brands and has participated in the OCT offline trade show. No specific customer names, project details, order history, or independently verifiable case information is provided.

Product Q&A

Q:What types of Tricone drill bits are available?

We offer TCI (Tungsten Carbide Insert) bits for middle to hard rock formations and Steel Tooth bits for soft to very soft formations like shale and limestone.

Q:Can the drill bits be customized for specific rock formations?

Yes, we provide OEM/ODM services. Bits can be customized from samples, designs, or full specifications, including cutter type and surface treatment.

Q:What is the warranty period for these drilling tools?

We provide a 1-year warranty period for our Tricone drill bits to ensure customer confidence in product quality.

Q:What are the minimum order quantities (MOQ)?

The Minimum Order Quantity is 1 PC, allowing for flexible purchasing for various project scales.

Q:What certifications do your drill bits hold?

Our products are manufactured according to API specs and hold API certification, ensuring compliance with international standards.