Can the drill diameter be customized?

Yes, we accept OEM/ODM and can manufacture according to customer requirements for drill diameter, air holes, carbide button shape, and head shape.

Are other shank bits available?

Yes, other shank bits are available as per request.

12 Inch 305-380mm Diameter Hard Rock Drill Bit DTH Drill Bit

Name: 12 Inch 305-380mm Diameter Hard Rock Drill Bit DTH Drill Bit
Brand: Hangzhou Changnuo Machinery Equipment Co., Ltd.
SKU: 2127191552

Zhejiang, ChinaHangzhou Changnuo Machinery Equipment Co., Ltd.

US$1,478.00-3,519.00

1 Piece

Product profile

Customization

Available

Length

Jobber-length

Material

High Carbon Steel

Model NO.

HDB-SP1280

Usage

Well Drilling, Metal Drilling

Shank Length

375mm

Port Holes

Head Diameter

305-380mm

Color

Customized

Transport Package

Wooden Box /Cartoon

Trademark

CNMC

Origin

China

Key features

Extended Drill Life: Alloy material ensures longer using life compared to similar products.

High Drilling Efficiency: Wear-resistant drill buttons keep the bit sharp for improved speed.

Wide Application Range: Suitable for carbonate, limestone, clay, sandstone, and hard rock.

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

Customizable Color: Available in black, yellow, blue, red, and gold based on preference.

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

CE Certified Quality: Machinery is CE certified with strict inspection before shipping.

Multiple Sizes Available: Inch sizes from 3' to 12' available, with other diameters on 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: ≤10.54hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB

AI-Powered supplier vetting

SummaryHangzhou Changnuo Machinery Equipment Co., Ltd. is a trading company and manufacturer based in Hangzhou, Zhejiang, China, specializing in industrial equipment and components. The company holds ISO certifications, operates three production lines, and focuses on quality and customer satisfaction. It offers non-standard customized services and exports primarily to Southeast Asia, Eastern Asia, and Africa. The company accepts payments via LC and T/T and began exporting in December 2024.

Supplier typeThe supplier is classified as both a trading company and a manufacturer/factory, indicating a dual role in production and distribution.

CertificationsThe supplier holds ISO 9000, ISO 9001, and ISO 14000 certifications, demonstrating adherence to international quality and environmental management standards.

Production capacityThe supplier operates three production lines and has a quality control team of 6-10 staff, indicating moderate production capacity.

Customization capabilityThe company offers non-standard customized services, which suggests a high capability for tailoring solutions to specific customer needs.

Product Q&A

Q:What products do 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:What is your quality control process?

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

Q:Do you have any certificates?

Our machinery is CE certified.