What is the lead time for mass production?

Mass production lead time depends on the quantity of the order. Regular models are available in stock for prompt delivery.

What payment terms do you accept?

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

8 1/2" IADC 537 Single Cone Rock Roller Drill Bits

Name: 8 1/2" IADC 537 Single Cone Rock Roller Drill Bits
Brand: Hejian Longyue Drill Bit Manufacture Co., Ltd.
SKU: 2102640045

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

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

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 bearing life.

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

Wear Resistant Hardfacing: Thrust faces are hardfaced with wear-resistant alloy for extended service life.

High-Efficiency Design: Designed with tungsten carbide inserts and inlaid friction-reducing alloy for efficiency.

Flexible Bit Sizes: Available in sizes 7 1/2'', 8 1/2'', 9 7/8'', and 12 1/4''.

OEM/ODM Services: OEM and ODM services are available for custom manufacturing needs.

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: ≤6.06h 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 us detailed information as below: -Tricone bits(Diameter, IADC code) -PDC bits(Matrix or Steel body, blades quantity, cutter size, etc) -Hole opener(Diameter, size of pilot hole, hardness of rocks, thread connection of your drill pipe, etc.) -Roller cutters(Diameter of cones, model number, etc.) A simple way is sending us photos . Besides above, if possible please provide more information as below: Drilling depth in vertical well drilling, Drilling length in HDD, hardness of rocks, C

Q:About lead time, payment terms, delivery?

We always have regular models available in stock, prompt delivery is one of our advantages. Mass production depends on quantity of order. We accept all regular payment terms including L/C, T/T, etc. We are near from Beijing airport and Tianjin(Xingang) seaport, transportation from our factory to Beijing or Tianjin only takes one day, fast and very economical inland charges.

Q:What are the available bit sizes?

The available bit sizes are 7 1/2'', 8 1/2'', 9 7/8'', and 12 1/4''.

Q:Can the center nozzle be customized?

Yes, the center nozzle can be customized to suit specific drilling applications.

Q:What types of bearings are used?

The drill bits feature both metal sealed bearings and rubber sealed bearings.