What is the warranty or after-sales support?

The product features sealed bearings and wear-resistant design for longevity. The manufacturer offers technical support and has a team of 5 R&D engineers.

12 1/4 Inch Steel Tooth Rock Roller Drill Bit

Name: 12 1/4 Inch Steel Tooth Rock Roller Drill Bit
Brand: Hejian Longyue Drill Bit Manufacture Co., Ltd.
SKU: 2056588285

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

US$1,000.00-2,000.00

1 Piece

Sample price:US$1500.00/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

Body Material

Alloy

Advantage

High-Efficiency, Wear Resistant

Bearing Type

Friction/Roller/Flosting Bearing Bit

Drilling Formationn

Soft to Hard

Use

Oil, Gas, Wells

Available Size

3 Inch-30 Inch

Manufacture Processing

Forging

Machining

OEM, Customize Base on Drawing

Transport Package

Wooden Case

Specification

12 1/4''

Trademark

LONGYUE

Origin

Hebei, China

HS Code

8207199000

Production Capacity

200 Pieces/Month

Key features

Wide Size Range: Available sizes from 3 Inch to 30 Inch for various drilling needs.

Versatile Formation Application: Suitable for soft to hard formations including shale, limestone, gypsum, and sandstone.

Sealed Bearing Technology: Equipped with sealed bearings for enhanced durability and performance.

High-Efficiency Design: Features high-efficiency and wear-resistant construction for optimal drilling.

Customizable Manufacturing: OEM and custom manufacturing available based on specific drawings.

Fast Delivery: Regular models available in stock with prompt delivery capabilities.

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

Established Manufacturer: Manufacturer with 10,000 square meters plant area and 5 R&D engineers.

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 (Tricone, PDC, Hole opener, Roller cutters), diameter, IADC code, blades quantity, cutter size, rock hardness, thread connection, drilling depth, rig capacity, application type, Incoterm (FOB/CIF/CFR), transport method, and destination port. Sending photos is also a simple way.

Q:What are the lead time and payment terms?

Regular models are available in stock for prompt delivery. Mass production lead time depends on order quantity. We accept L/C, T/T, D/P, and PayPal. We are located near Beijing airport and Tianjin seaport, ensuring fast and economical inland transportation.

Q:What is the operating range for WOB and RPM?

Operating parameters vary by formation. For soft formations, WOB is 0.35-0.9 KN/mm and RPM is 150-70. For hard formations, WOB can reach 0.5-1.2 KN/mm with RPM ranging from 80-40. Upper limits should not be used simultaneously.

Q:What types of formations can this drill bit handle?

The bit is designed for soft to hard formations. It handles mudstone, gypsum, salt, soft shale, limestone, clay, chalk, medium soft shale, hard gypsum, sandstone, dolomite, and marble.

Q:Is customization available for this product?

Yes, the product supports OEM and customization based on drawings. Available sizes range from 3 to 30 inches, and manufacturing processes include forging.