What is the material of the drill bit?

The bit is made of Alloy Steel with Tungsten Carbide inserts.

What is the main usage of this product?

It is primarily used for Mining Blasthole Drilling in large quarries, open pit mines, and petroleum extraction.

12 1/4" Rotary Tricone Bit Mining Blasthole Drilling

Name: 12 1/4" Rotary Tricone Bit Mining Blasthole Drilling
Brand: Changsha Heijingang Industrial Co., Ltd.
SKU: 1989257942

Hunan, ChinaChangsha Heijingang Industrial Co., Ltd.

US$999.00-1,200.00

1 Piece

Sample price:US$999.00/piece.Request sample

Product profile

Customization

Available

Customized

Length

Taper-length

Model NO.

IADC 735 - 229

Type

Mining Tricone Bit

Material

Alloy Steel Tungsten Carbide Insert

Usage

Mining Blasthole Drilling

Color

Customized as Per Request

Transport Package

Wooden Cases

Trademark

BLACK DIAMOND

Origin

Changsha, Hunan, China

HS Code

8207199000

Production Capacity

500 Pieces / Month

Key features

Full Supply Chain Control: Only enterprise controlling quality from raw materials to end products.

Customized Color Options: Color can be customized as per customer request.

Premium Tungsten Carbide: Uses BD Drill own tungsten carbide inserts for toughest applications.

Unique Bearing Design: Assures durability, improved resistance, and reduced heat generation.

Optimized Cutting Structure: Reduces wear, prevents debris build-up, and ensures faster penetration.

Cost-Effective Performance: Longer bit life and lower total drilling cost for mining operations.

Wide Application Range: Suitable for soft formations, limestones, shales, and hard rocks.

Company profile

Changsha Heijingang Industrial Co., Ltd.

Hunan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2011-01-25 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤4.40h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryChangsha Heijingang Industrial Co., Ltd. is a China-based limited company established in 1999, specializing in rock-drilling equipment and pneumatic tools. Its stated product range includes DTH hammers and bits, drilling rigs, threaded bits, shank adapters, coupling sleeves, drill pipes, tool joints, and related spare parts. The supplier reports ISO9001:2015, ISO14001:2015, and ISO45001:2016 certifications, 22 years of R&D engineer experience, 10 production lines, 11–20 quality-control staff, and stated annual capacities of 200,000 DTH hammers/drill bits and 10,000 drilling rigs. It began exporting in 2011 and reports customers or markets across multiple global regions. Evidence supports established manufacturing, certification, product breadth, and export capability. However, the provided information does not adequately demonstrate after-sales service systems, customization processes, customer case studies, or financial credibility.

Supplier typeThe supplier is identified as a privately operated limited company in China, established in 1999, with manufacturing and processing machinery as a commercial focus. Its described business involves researching and manufacturing rock-drilling equipment, pneumatic tools, drilling rigs, drilling bits, drill pipes, and related components, indicating a manufacturer rather than a trading-only entity.

CertificationsThe supplier reports ISO9001:2015 quality-management certification, ISO14001:2015 environmental-management certification, and ISO45001:2016 occupational-health-and-safety certification, plus other unspecified certifications. These stated certifications provide explicit evidence of formal management-system coverage.

R&D capabilityThe supplier reports 22 years of R&D engineer experience and describes research into rock-drilling equipment, including a new-style geothermal drilling rig. It also states that it uses advanced craft technology and conducts strict quality inspection, providing explicit support for engineering and product-development capability, although no patent or new-product output data is given.

Production capacityThe supplier reports 834 employees, a 54,034 m² manufacturing plant, 10 production lines, 11–20 quality-control staff, and stated annual capacities of 200,000 DTH hammers/drill bits and 10,000 drilling rigs. It also reports one-month fulfillment timing in both off-peak and peak seasons, which supports substantial and relatively consistent production capacity.