Can the drill bit diameter be customized?

Yes, other diameters are available upon request, as our listed sizes are standard options.

Is the product suitable for hard rock drilling?

Yes, it is suitable for soft and hard rocks (grade 9 drillability), with particularly significant effects in grade 6-8 rock.

6 Inch152-190mm DTH Drill Bit for High Air Pressure DTH Drilling Bit

Name: 6 Inch152-190mm DTH Drill Bit for High Air Pressure DTH Drilling Bit
Brand: Hangzhou Changnuo Machinery Equipment Co., Ltd.
SKU: 2126982432

Zhejiang, ChinaHangzhou Changnuo Machinery Equipment Co., Ltd.

US$273.00-373.00

1 Piece

Product profile

Customization

Available

Length

Jobber-length

Material

High Carbon Steel

Model NO.

HDB-SP680

Usage

Well Drilling, Metal Drilling

Shank Length

231mm

Port Holes

Head Diameter

152-190mm

Color

Customized

Transport Package

Wooden Box /Cartoon

Trademark

CNMC

Origin

China

Key features

Customized Color Options: Available in black, yellow, blue, red, and gold to suit customer preferences.

High Drilling Efficiency: Wear-resistant drill buttons keep the bit sharp, greatly improving drilling speed.

Wide Application Range: Suitable for carbonate, limestone, clay, sandstone, and hard rock (grade 6-8).

OEM/ODM Service: We accept OEM/ODM and manufacture according to specific customer requirements.

Long Service Life: Alloy material provides longer life compared to similar products on the market.

Compatible with Many Hammers: Suitable for XL, Mission, COP, IR, Mach, Demag, SD, Bulroc, Halco, Digger, etc.

Stable Drilling Speed: Bit design ensures stable scraping and cutting for efficient rock breaking.

Multiple Size Options: Available in 3, 4, 5, 6, 8, 12 inches and other custom diameters upon request.

Company profile

Hangzhou Changnuo Machinery Equipment Co., Ltd.Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2024-12-02Nearest Port: shanghai, ningboAverage Response Time: ≤3.85hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB

AI-Powered supplier vetting

SummaryHangzhou Changnuo Machinery Equipment Co., Ltd. is identified as both a trading company and manufacturer/factory based in Hangzhou, Zhejiang, China. Its stated products include drilling rigs, air compressors, DTH hammers, and drilling bits, with engagement across industrial, manufacturing, construction, and related sectors. The supplier reports ISO 9000, ISO 9001, and ISO 14000 certifications, three production lines, and 6–10 quality-control staff. It states that it provides non-standard customized services and emphasizes quality, customer service, and production-efficiency improvement. Export markets include Southeast Asia, Eastern Asia, and Africa, with Shanghai and Ningbo listed as nearby ports. However, the available information does not establish after-sales performance, financial credibility, documented customer cases, or strong R&D depth; total R&D engineer experience is stated as under five years. The export start date is listed as December 2, 2024, indicating limited documented export history in...

Supplier typeThe supplier is explicitly classified as both a Trading Company and a Manufacturer/Factory. This indicates combined sourcing/trading and manufacturing capabilities, although the data does not specify the proportion or scope of each activity.

CertificationsThe supplier reports ISO 9000, ISO 9001, and ISO 14000 certifications. These certifications provide explicit evidence of formal quality and environmental management systems, although certification scope and validity details are not provided.

Production capacityThe supplier is identified as a manufacturer/factory, operates three production lines, and offers drilling rigs, air compressors, DTH hammers, and drilling bits. These details support established production capability, but capacity, output, equipment scale, and delivery performance are not provided.

Customization capabilityThe supplier explicitly states that it can provide non-standard customized services to address specific production challenges. This is direct evidence of customization capability, although the available data does not define technical limits, engineering workflow, or examples of completed custom projects.

Product Q&A

Q:What products can you supply?

We supply drilling rigs, DTH drilling rigs, automatic drilling rigs, rotary drilling rigs, pile drivers, core drilling rigs, air compressors, pneumatic rock drills, drill bits, Tricone bits, eccentric casing systems, DTH hammers, drill rods, and spare parts.

Q:What payment methods are accepted?

You can pay online with a credit card, or via TT, Western Union, LC, etc.

Q:How is the shipment handled?

Large or heavy products are shipped by sea or land. Small items are shipped via DHL, UPS, Fedex, or TNT. You can appoint your preferred shipping method.

Q:How do you ensure quality control?

We have experienced QC staff who perform strict inspection and testing for every order before shipping.

Q:Do you have any certifications?

Our machinery is CE certified.