What is the recommended WOB and Rotary Speed?

Recommended Weight on Bit (WOB) is 0.35~0.90 KN/mm, and Rotary Speed is 300~800 rpm.

Is OEM service available?

Yes, OEM service is available. We can make various kinds of PDC bits according to customers' specific requirements.

8 1/2" Diamond Oil Drilling Bit PDC Bit for Sandstone Drilling

Name: 8 1/2" Diamond Oil Drilling Bit PDC Bit for Sandstone Drilling
Brand: Hejian Longyue Drill Bit Manufacture Co., Ltd.
SKU: 2064947105

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

US$900.00-1,200.00

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

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

Hard Formation Application: Medium parabolic crown and heavy density cutter layout for high compressive strength formations.

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

Customizable Options: Body material, available size, cutter size, and blades quantity are fully customizable.

Fast Delivery: Regular models available in stock with prompt delivery within 3-7 days after payment.

OEM/ODM Service: We accept OEM orders and can produce various PDC bits according to customer requirements.

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 detailed information including bit type, diameter, IADC code, blades quantity, cutter size, drilling depth, rock hardness, rig capacity, application, and Incoterm. Photos are also accepted.

Q:What is the lead time and payment terms?

Regular models are in stock for prompt delivery. Mass production depends on order quantity. We accept L/C, T/T, D/P, and PayPal. Lead time is within 15 workdays.

Q:What are the available bit sizes?

Bit sizes range from 4 1/2' to 17 1/2'' (114mm to 444.5mm). Custom sizes between 5 Inch and 26 Inch are also available.

Q:What cutter sizes are supported?

Supported cutter sizes include 13mm, 16mm, and 19mm, with various combinations such as 1313, 1613, 1616, 1913, 1916, and 1919.

Q:How many blades can the bit have?

The bit can have 3 to 9 blades, depending on customer requirements and specific drilling conditions.