What are the recommended drilling parameters for IADC 637?

For IADC 637, recommended WOB is 0.5-1.2 kn/mm and RPM is 80-40. It is designed for hard to very hard formations with high compressive strength.

Where is the manufacturer located?

The manufacturer is located in Hebei, China, near Beijing airport and Tianjin (Xingang) seaport, ensuring economical inland transportation.

Rock Drill Bits Plam for Hard Formation

Name: IADC 637 Single Roller Cones/Cutters/Rock Drill Bits Plam for Hard Formation
Brand: Hejian Longyue Drill Bit Manufacture Co., Ltd.
SKU: 2126119065

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

US$600.00-1,200.00

1 Piece

Sample price:US$1000.00/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

Hard Formation Expertise: Specialized IADC 637 design for hard to very hard formations like limestone and dolomite.

Advanced Bearing System: Features metal sealed and rubber sealed bearings for extended bearing life and durability.

Customizable Nozzles: Center nozzle can be customized to meet specific drilling requirements.

Enhanced Gauge Protection: More carbide inserts on the shirttail increase gauge holding capability and wear resistance.

High-Efficiency Design: Forged high carbon steel construction with wear-resistant alloy hardfacing on thrust faces.

OEM/ODM Support: Manufacturer offers OEM and ODM services with 5 R&D engineers for custom solutions.

Fast Delivery Advantage: Regular models in stock with prompt delivery; mass production within 15 workdays.

Global Export Experience: Exported to over 25 countries including USA, Australia, and Middle East markets.

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: ≤5.46h 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, diameter, IADC code, drilling depth, rock hardness, rig capacity, and application. Photos are also helpful for accurate pricing.

Q:What are the lead time and payment terms?

Regular models are available in stock for prompt delivery. Mass production takes within 15 workdays. We accept L/C, T/T, D/P, and PayPal.

Q:What is the warranty period?

The product description does not specify a warranty period. Please contact the manufacturer directly for specific warranty terms.

Q:Can the drill bits be customized?

Yes, the product is customized. The center nozzle can be customized, and OEM/ODM services are available for specific requirements.

Q:What materials are used in the drill bits?

The bits are made of High Carbon Steel with tungsten carbide inserts and inlaid friction-reducing alloy. Thrust faces are hardfaced with wear-resistant alloy.