What are the available hardness standards?

Our crown hardness standards include K3, K5, K7, K9, K11, K13, K18, and K20, depending on the formation hardness and abrasiveness.

What payment methods do you accept?

We accept LC, T/T, D/P, PayPal, Western Union, Small-amount payment, and Money Gram.

Different Sizes PDC Crown Drill Bit for Coal Mining Geological Exploitation Drilling

Name: Different Sizes PDC Crown Drill Bit for Coal Mining Geological Exploitation Drilling
Brand: Shijiazhuang Jimai Machinery Equipment Technology Co., Ltd.
SKU: 1968188291

Hebei, ChinaShijiazhuang Jimai Machinery Equipment Technology Co., Ltd.

US$65.00

1 Piece

US$64.00

2+ Pieces

Product profile

Customization

Available

Customized

Standard

N/M

Model NO.

all

Length

Jobber-length

Type

Core Drill Bit

Material

Diamond

Usage

Well Drilling, Oil Drilling

Model

Aq Bq Nq Hq Pq

HS

820719100

Circulation Type

Mud Fluid

Machine Type

Drilling Tools

Transport Package

Standard Export Packing

Specification

Standard

Trademark

Origin

Hebei China

HS Code

820719100

Production Capacity

2000 Sets / Month

Key features

High-Quality Diamond Core Bits: Impregnated diamond bits with carefully selected synthetic diamond grades for mineral exploration.

Customizable Crown Specifications: Crown height is 15mm with customizable hardness standards including K3, K5, K7, K9, K11, K13, K18, K20.

Wide Range of Standard Models: Available in BTW, NTW, HTW, AQ, BQ, NQ, HQ, PQ series and T2/T6 variants for various drilling needs.

Professional Manufacturer Support: Over 20 years of experience in drilling rigs and tools with rich usage data and maintenance technology.

12-Month Warranty Coverage: Free replacement of defective accessories in the next order for all kinds of products.

Fast Delivery Time: Delivery arranged within 7 working days after receipt of payment.

Full Customization Services: OEM/ODM available with customization from samples, designs, and flexible minor customization options.

Global Service Network: Products serve worldwide with competitive pricing, high quality, and fast shipment capabilities.

Company profile

Importers and ExportersFast DeliveryR&D Capabilities

Shijiazhuang Jimai Machinery Equipment Technology Co., Ltd.

Hebei, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2024-01-01Nearest Port: TianjinAverage Response Time: ≤2.90h

AI-Powered supplier vetting

SummaryShijiazhuang Jimai Machinery Equipment Technology Co., Ltd. is identified as a trading company and limited company offering water well drilling rigs and mud pumps. It reports OEM service for well-known brands, broad customization options, and substantial export activity, with self-operated import and export rights stated. The supplier describes independent development and production of water well drilling rigs and accumulated maintenance and after-sales experience. However, it has only three employees, no inventory, overseas warehouse, overseas showroom, overseas agents or branches, and no recorded participation in offline trade shows. The provided information confirms financial records for 2021–2023 but does not disclose financial results. An SGS audit is listed, although the audit result is recorded as 0 and the report validity shown ended on 2025-05-07. No specific certifications or customer cases are provided.

Supplier typeThe supplier is explicitly classified as a trading company and a limited company. Its listed offerings are water well drilling rigs and mud pumps, while its business scope includes machinery sales, construction and mining machinery, import/export, and technology services.

After-Sales capabilityThe supplier states that it has accumulated maintenance technology and after-sales handling experience through extensive user contact and usage data. It lists equipment installation as an overseas service offering, but has no overseas agents or branches and serves zero listed countries, indicating limited documented international service coverage.

R&D capabilityThe supplier states that it independently develops and produces a new generation of water well drilling rigs and provides technology development and promotion services. However, it reports no available SDK, and no specific patents, R&D personnel, facilities, or measurable innovation outcomes are provided.

Customization capabilityThe supplier explicitly lists customization from samples, customization from designs, full customization, minor customization, and flexible customization. This directly indicates broad stated customization coverage.

Product Q&A

Q:Why choose Jimai Machinery?

Jimai Machinery is a professional drilling rig supplier in China with many years of industry experience. We offer high quality, competitive prices, and fast shipment, serving customers around the world.

Q:Do you offer custom designs?

Yes, we have our own trade factory and provide services to top-range partners. We can produce superior products based on your specific designs.

Q:How to place an order?

Step 1: Tell us the model and quantity needed. Step 2: We will make a Proforma Invoice (PI) for you to confirm order details. Step 3: Arrange payment upon confirmation. Step 4: We deliver the goods within the stipulated time.

Q:What is the delivery time?

Delivery is made about 7 working days after receipt of the payment.

Q:What is the warranty policy?

We provide a 12-month warranty for all kinds of products. If you find any defective accessories, we will give you new parts for free to replace in the next order.