What materials are used for the bit?

The bit is made of High Carbon Steel with tungsten carbide inserts and inlaid friction-reducing alloy.

What is the bearing type?

The bearing type is Journal /Roller Bearing Bit, available with metal sealed or rubber sealed bearings.

Where is the factory located?

The factory is located in Hebei, China, near Beijing airport and Tianjin seaport.

Factory Directly Supply 8 1/2'' Roller Cone Bit

Name: Factory Directly Supply 8 1/2'' Roller Cone Bit
Brand: Hejian Longyue Drill Bit Manufacture Co., Ltd.
SKU: 2103046725

Hebei, ChinaHejian Longyue Drill Bit Manufacture Co., Ltd.

US$200.00-300.00

1 Piece

Sample price:US$250.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

AISI

Length

Taper-length

Type

Center Drill Bit

Material

High Carbon Steel

Usage

Well Drilling

Machine Type

Drilling Tool

Processing Type

Forging

Advantage

High-Efficiency, Wear Resistant

Bearing Type

Journal /Roller Bearing Bit

Pin Connection

4 1/2" Regular

Transport Package

Wooden Case

Specification

8-1/2''

Trademark

LONGYUE

Origin

Hebei, China

HS Code

8207199000

Production Capacity

200 Pieces/Week

Key features

Customizable Center Nozzle: The center nozzle can be customized to meet specific drilling requirements.

High-Efficiency Wear Resistance: Features tungsten carbide inserts and hardfaced wear-resistant alloy for durability.

Wide IADC Code Range: Available in codes 117, 127, 126, 217, 417, 437, 517, 537, 617, 627, 637, 737.

Multiple Bit Sizes: Sizes include 7 1/2'', 8 1/2'', 9 7/8'', and 12 1/4'' for various drilling needs.

Advanced Bearing System: Equipped with metal sealed or rubber sealed bearings for enhanced performance.

OEM and ODM Services: Full OEM and ODM services available for custom manufacturing solutions.

Fast Inland Transportation: Factory is near Beijing and Tianjin ports with one-day inland transport time.

Gauge Protection Design: Shirttail design with extra carbide inserts increases gauge holding capability.

Company profile

Hejian Longyue Drill Bit Manufacture Co., Ltd.

Hebei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2016-08-01 CertifiedNearest Port: Tianjin PortAverage Response Time: ≤4.41h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryHejian Longyue Drill Bit Manufacture Co., Ltd. is a manufacturing factory located in Hejian City, Cangzhou, Hebei, China. Established in 2016, it operates over 10 production lines with an annual output between US$10 million and US$50 million. The company exports 51% to 70% of its products and has self-managed import-export rights. It specializes in producing drill bits and other related tools, serving both domestic and international markets.

Supplier typeThe supplier is a manufacturing factory operating as a limited company in Hebei, China, established in 2016.

After-Sales capabilityThe supplier emphasizes prompt and sincere responses to inquiries, indicating a focus on customer service.

R&D capabilityThe company has a total of 5 R&D engineers and is capable of designing drill bits, showing some innovation capability.

Production capacityWith over 10 production lines and a plant area of 10,000 m², the supplier shows strong production capacity.

Customization capabilityThe supplier can design PDC bits according to customer requests, indicating customization capability.

Product Q&A

Q:How to get an exact quotation?

Please send detailed information including Tricone bits (Diameter, IADC code), PDC bits (Matrix or Steel body, blades quantity, cutter size), Hole opener (Diameter, pilot hole size, rock hardness, thread connection), and Roller cutters. Photos are also accepted. Additional info like drilling depth, rock hardness, rig capacity, application type, Incoterm, and port of destination will help provide a more exact quotation.

Q:What are the lead time and payment terms?

Regular models are available in stock for prompt delivery. Mass production lead time depends on order quantity. We accept L/C, T/T, D/P, and PayPal. Peak and off-peak season lead times are both within 15 workdays.

Q:What are the available bit sizes?

The product is available in sizes 7 1/2'', 8 1/2'', 9 7/8'', and 12 1/4''.

Q:What IADC codes are supported?

Supported IADC codes include 117, 127, 126, 217, 417, 437, 517, 537, 617, 627, 637, and 737.

Q:Can the center nozzle be customized?

Yes, the center nozzle can be customized according to specific requirements.