What bearing types are available?

We offer Journal bearings and Roller Bearing Bits. The sealing options include Metal sealed bearings and Rubber sealed bearings with an advanced grease pressure control system.

Can you provide OEM or ODM services?

Yes, we provide both OEM and ODM services. We have 5 R&D engineers and production machines to support customized drilling tools.

IADC 537 637 Single Roller Cone Bit for Core Barrel

Name: IADC 537 637 Single Roller Cone Bit for Core Barrel
Brand: Hejian Longyue Drill Bit Manufacture Co., Ltd.
SKU: 2116277215

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

US$1,000.00-2,000.00

1 Piece

Sample price:US$2000.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

AISI

Model NO.

8 1/2''

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

High Efficiency & Wear Resistance: Features tungsten carbide inserts and wear-resistant alloy hardfacing for extended service life.

Advanced Bearing System: Equipped with metal sealed and rubber sealed bearings for superior durability in harsh conditions.

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

Enhanced Gauge Protection: Shirttail design includes more carbide inserts to increase gauge holding capability and bearing life.

Wide IADC Code Range: Available in various IADC codes (117-737) to suit different formations from soft to very hard rock.

Fast Delivery Capability: Regular models are kept in stock for prompt delivery, with mass production based on order quantity.

Flexible Payment Terms: Accepts L/C, T/T, D/P, and PayPal to accommodate diverse international trade needs.

OEM/ODM Support: Provides OEM and ODM services with 5 R&D engineers to support custom drilling tool solutions.

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: ≤4.92h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryHejian Longyue Drill Bit Manufacture Co., Ltd. is a China-based manufacturing factory in Hejian, Cangzhou, Hebei, established in 2016, with 67 employees and a 10,000 m² plant. It produces drilling-related equipment, operates more than 10 production lines, and has 6–10 quality-control staff. The supplier states that it can design HY PDC bits according to customer requirements, indicating customization capability. It has five years of R&D engineer experience, exports 51%–70% of sales, and holds self-operated import and export rights. However, the provided information does not confirm certifications, after-sales capabilities, or verified customer cases. Trade records show limited documented import activity involving Uzbekistan and Kazakhstan, but these records alone do not establish broad customer performance or financial credibility.

Supplier typeThe supplier is explicitly identified as a factory/manufacturer and a limited company located in Hejian, Cangzhou, Hebei, China. Its stated business scope includes drilling equipment and manufacturing-related products, consistent with a specialized industrial manufacturer.

R&D capabilityThe supplier reports five years of total R&D engineer experience and states that it can design HY PDC bits according to customer requests. This provides explicit evidence of product-design capability, although no broader R&D team size, patents, testing facilities, or innovation results are given.

Production capacityThe supplier operates more than 10 production lines, employs 6–10 quality-control staff, and has a 10,000 m² manufacturing plant with 67 total employees. These stated operational resources support a positive assessment of production capability, though actual capacity and delivery performance are not specified.

Customization capabilityThe company explicitly states that it can design HY PDC bits according to customer requirements. Its listed product range includes PDC bits, tricone bits, roller cones, hole openers, rock reamers, and related drilling products, supporting product-specific customization capability.

Product Q&A

Q:How to get an exact quotation?

Please send detailed information including bit type (Tricone/PDC/Hole opener), diameter, IADC code, material, blade quantity, cutter size, pilot hole size, rock hardness, thread connection, drilling depth, rig capacity, application, Incoterm (FOB/CIF/CFR), transport mode, and destination port. Photos are also helpful.

Q:What is the lead time and delivery status?

We keep regular models in stock for prompt delivery. Mass production lead time depends on order quantity, typically within 15 workdays for both peak and off-season. Transportation from our factory to Beijing or Tianjin takes only one day.

Q:What payment terms do you accept?

We accept all regular payment terms including L/C, T/T, D/P, and PayPal.

Q:What are the main applications of this bit?

These bits are designed for well drilling, including oil/gas well drilling, water well drilling, HDD (Horizontal Directional Drilling), and foundation applications across various formations from soft to very hard rock.

Q:What materials are used in the construction?

The bits are made from High Carbon Steel with tungsten carbide inserts and inlaid friction-reducing alloy. The gauge protection features additional carbide inserts on the shirttail.