What are the customizable options for the drill bits?

We can customize the size (75-444mm), blade quantity (3 or 4), and shape (V/Chevron, Flat, or Step types) according to your needs.

What materials are used in manufacturing?

Our drill bits are made of carbon steel with a forging manufacturing process and polishing surface treatment.

75-444mm AISI Hanfa Standard Export Packing Drill Rod Rock Drilling Bits

Name: 75-444mm AISI Hanfa Standard Export Packing Drill Rod Rock Drilling Bits
Brand: Zhengzhou Hanfa Imp & Exp Trading Co., Ltd.
SKU: 2047577505

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 Specifications: Size 75-444mm, 3 or 4 blades, V/Flat/Step shapes available.

Versatile Application: Suitable for soft to medium hard formations in geology, water wells, and mining.

International Certifications: CE, RoHS, ISO 9001:2000, ISO 9001:2008 certified quality.

Professional Manufacturer: Direct factory in Henan with 20+ years experience and global export.

Fast Delivery: Standard delivery within 7 days for most orders.

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

Technical Support: 24-hour response, on-site engineer training, and maintenance guidance.

High-Quality Material: Forged carbon steel with polishing surface treatment for durability.

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: ≤3.53hTerms 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 with a factory in Henan, China, producing water well drilling rigs, core drilling rigs, DTH drilling rigs, and piling rigs.

Q:What certifications do your products have?

Our products hold CE, RoHS, ISO 9001:2000, ISO 9001:2008, QC, and TUV certificates. Each machine passes strict quality inspections before leaving the factory.

Q:What is the warranty period for the machine?

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

Q:What is the delivery time?

Generally, we can deliver the machine within 7 days. Peak and off-season lead times are within 15 workdays.

Q:Do you provide after-sales service?

Yes, we have a special service team offering professional guidance. We provide 24-hour response to quality issues and can send engineers to your worksite for training and maintenance.