What is the connection type for this bit?

The recommended connection is 4 1/2'' REG.

Where is the company located and how is shipping handled?

Located in Hebei, China. We are near Beijing airport and Tianjin seaport, with fast inland transportation.

7 7/8'' 5 Blades Oil Well PDC Drill Bit

Name: 7 7/8'' 5 Blades Oil Well PDC Drill Bit
Brand: Hejian Longyue Drill Bit Manufacture Co., Ltd.
SKU: 2104693995

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

US$2,000.00-4,000.00

1 Piece

Sample price:US$2000.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

AISI

Model NO.

7 7/8''

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

Body Material

Alloy or Tungston Carbrid

Available Size

5 Inch-26 Inch

Cutter Size

13,16,19mm

Blades Quantity

3-9 Blades

Use

Oil,Gas,Wells

Formation

Soft to Hard

Transport Package

Wooden Case

Specification

7 1/2

Trademark

LONGYUE

Origin

Hebei, China

HS Code

8207191000

Production Capacity

200 Pieces/Mouth

Key features

High Efficiency ROP: Unique cutter arrangement keeps cutting edge sharp for maximum Rate of Penetration.

Hard Formation Performance: Parabolic crown and heavy density cutter layout ensure high ROP in abrasive formations.

Multi-function Hydraulics: Deep slot and straight blade design effectively cool the bit in hard formations.

Customizable Options: Available in sizes 5-26 inch with 3-9 blades and various cutter sizes.

Prompt Delivery: Regular models available in stock for immediate shipment.

Flexible Payment Terms: Accepts L/C, T/T, D/P, and PayPal for convenient transactions.

OEM/ODM Service: Supports custom manufacturing with dedicated R&D engineers.

Global Export Experience: Exported to over 20 countries including USA, Australia, and Europe.

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: ≤5.12h 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, blades quantity, cutter size, drilling depth, rock hardness, rig capacity, application type, and Incoterms. Photos are also accepted.

Q:What are the lead time and payment terms?

Regular models are in stock for prompt delivery. Mass production lead time depends on order quantity. We accept L/C, T/T, D/P, and PayPal.

Q:What is the average lead time for production?

The average lead time is within 15 workdays for both peak and off seasons.

Q:Is customization available for this drill bit?

Yes, we offer OEM and ODM services. Custom sizes (5-26 inch), blade quantities (3-9), and cutter sizes are available.

Q:What are the recommended operating parameters?

Rotary Speed: 60-300 RPM, Weight On Bit: 20-110 KN, Flow Rate: 21-35 L/S.