Where do you ship from?

We usually ship containers from Shanghai port, but changes can be made according to your request.

What is the warranty policy?

Our hammers are made of high-quality steel, and all spares are strictly inspected before shipping. We respond quickly to complaints and suggestions.

Factory Supply Top Hammer Drill Bits T45 T51 Thread Rock Drilling Bits for Tunnel Drilling

Name: Factory Supply Top Hammer Drill Bits T45 T51 Thread Rock Drilling Bits for Tunnel Drilling
Brand: Changsha Heijingang Industrial Co., Ltd.
SKU: 2189671532

Hunan, ChinaChangsha Heijingang Industrial Co., Ltd.

US$150.00

1-29 Pieces

US$145.00

30-99 Pieces

US$140.00

100+ Pieces

Product profile

Customization

Available

Customized

Standard

ISO

Length

2 Inch to 30 Inch

Type

Core Drill Bit

Material

High Carbon Steel

Usage

Coal, Ore, Water Well, Pneumatic

Product Type

Top Hammer Button Bit

Thread Specification

T38 / T45 / T51

Bit Diameter

76mm-115mm

Carbide Material

Yg8 Tungsten Carbide

Bit Face Type

Drop Center / Flat Front

Application

Mining, Quarrying, Tunneling

Anufacturing Process

Forged & Heat Treatment

Feature

High Wear Resistance, Long Service Life

Service

OEM & ODM Acceptable

Lead Time

25days

Transport Package

Poly Wood

Specification

34mm 7botton

Trademark

HJG

Origin

China

HS Code

8207199000

Production Capacity

50000PCS/Year

Key features

Customizable Specifications: Length ranges from 2 to 30 inches with customized options available.

OEM and ODM Service: We accept both OEM and ODM orders to meet specific client needs.

Low Minimum Order Quantity: MOQ is just 1 piece or 1 complete set for flexible purchasing.

Fast Production Time: General production time is 15 to 25 days for timely delivery.

High Quality Material: Made of high carbon steel with strict inspection before shipping.

Wide Application Range: Suitable for coal, ore, water wells, and pneumatic drilling.

Competitive Factory Price: Direct factory pricing ensures cost-effectiveness for buyers.

Global Shipping Options: Ships from Shanghai port via air, express, or sea freight.

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: ≤6.04h 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.