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Generally, we can deliver the machine in 7 days.

75-444mm Borehole Drill Bit Price High Quality Tungsten Carbide Cross Bits

Name: 75-444mm Borehole Drill Bit Price High Quality Tungsten Carbide Cross Bits
Brand: Zhengzhou Hanfa Imp & Exp Trading Co., Ltd.
SKU: 2043234515

Henan, ChinaZhengzhou Hanfa Imp & Exp Trading Co., Ltd.

US$100.00-1,000.00

20 Pieces

Sample price:US$1000.00/set.Request sample

Product profile

Customization

Available

Certification

CE, RoHS, ISO 9001:2000, ISO 9001:2008

Standard

AISI

Model NO.

Three Wing Drill Bits

Surface Treatment

Polishing

Manufacturing Process

Forging

Material

Carbon Steel

Size

75-444mm

Blades Qty

3 or 4

Shape

V(Chevron) Type, Flat Type, Step Type

Transport Package

Standard Export Packing

Specification

CE, ISO

Trademark

HANFA

Origin

Zhengzhou City, China

HS Code

843041

Production Capacity

100piece/Day

Key features

Customizable Drill Bit Sizes: Available in sizes ranging from 75mm to 444mm to fit various drilling needs.

Flexible Blade Configuration: Options for 3 or 4 blades to optimize performance for different formations.

Multiple Shape Options: Available in V(Chevron), Flat, and Step types for diverse geological conditions.

High-Quality Material: Constructed from Carbon Steel with Tungsten Carbide cross bits for durability.

Comprehensive Certifications: Certified with CE, RoHS, ISO 9001:2000, and ISO 9001:2008 standards.

Versatile Application: Suitable for geological exploration, water wells, coal fields, and subway projects.

One-Year Warranty: Covers the main body of the machine for one year against defects.

Fast Delivery Time: Machines can generally be delivered within 7 days of order confirmation.

Company profile

Zhengzhou Hanfa Imp & Exp Trading Co., Ltd.

Henan, China

Business Type: Manufacturer/Factory, Group CorporationExport Year: 2008-04-01Nearest Port: Tianjin,Qingdao,ShanghaiAverage Response Time: ≤3.55hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CIF

AI-Powered supplier vetting

SummaryHanfa is identified as a China-based limited company and group corporation engaged in drilling equipment and related parts. The provided information describes substantial service resources, including senior engineers, technical personnel, after-sales staff, overseas service activity, training, and repairs. It reports multiple management-system certifications and international product certifications, as well as 41–50 R&D engineers, 50 quality-control staff, and more than 10 production lines. Export activity began in 2008, with exports representing 51%–70% of total sales. However, the evidence does not establish financial credibility, customization capability, or specific named customer project outcomes. The supplier registration record is dated August 2025, while the company descriptions claim longer-term operating and export experience; this chronology should be verified.

Supplier typeHanfa is described as a Manufacturer/Factory and Group Corporation, while its legal/business information identifies Zhengzhou Hanfa Imp & Exp Trading Co., Ltd. as a limited company and trade company. Its stated product scope covers drilling rigs and related parts and accessories, although the recent registration record describes specific drilling components.

CertificationsThe supplier reports ISO 14001, ISO 9001, ISO 14000, ISO 20000, and HSE management-system certifications, plus GJB9001-2001, GB/T28001-2001, CE, and other international certification audits. These stated certifications provide explicit evidence of certification coverage, although the slices do not provide certificate numbers, validity dates, or issuing bodies for verification.

After-Sales capabilityHanfa reports a service organization comprising 30 senior engineers, more than 50 technical personnel, and hundreds of after-sales personnel. It also states more than 20,000 overseas after-sales technician assignments, over 10,000 training sessions, and approximately 5,000 machine repairs, supported by a service system covering pre-sale, sales, and after-sales stages.

R&D capabilityHanfa states that it has a professional R&D team and advanced technology, and reports 41–50 R&D engineers. The evidence supports the existence of dedicated R&D resources, but does not document patents, new-product results, proprietary technologies, or measurable innovation outcomes.

Production capacityThe supplier states that it develops and produces multiple categories of drilling machinery and reports more than 10 production lines and 50 quality-control staff. The stated manufacturing role and production infrastructure indicate production capability, although no capacity utilization, facility verification, or delivery-performance data is provided.

Product Q&A

Q:Are you a trading company or manufacturer?

We are a professional manufacturer. Our factory mainly produces water well drilling rigs, core drilling rigs, DTH drilling rigs, piling rigs, etc. Our products have been exported to more than 50 countries in Asia, South America, and Africa.

Q:Are your products qualified?

Yes, our products have gained ISO certificates. We have a specialized quality inspection department to check every machine before it leaves our factory.

Q:How is your machine quality?

All our machines hold ISO, QC, and TUV certificates. Each set must pass a great number of strict tests to offer the best quality to our customers.

Q:Do you have after-sales service?

Yes, we have a special service team offering professional guidance. If needed, we can send an engineer to your worksite to provide training for your staff.

Q:What is the quality warranty?

We offer a one-year quality warranty for the main body of the machines.