Which port 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 provide quick responses to complaints and suggestions.

What materials are used for the bits?

The bits are made of high carbon steel to ensure high performance and wear resistance.

Small Hole Top Hammer Bit

Name: Small Hole Top Hammer Bit
Brand: Changsha Heijingang Industrial Co., Ltd.
SKU: 752724002

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

Non-Customized

Standard

JIS, AISI

Model NO.

TP 322

Length

2 Inch to 30 Inch

Type

Center Drill Bit

Material

High Carbon Steel

Usage

Coal, Ore, Water Well, Pneumatic

Face Design

Flat, Convex, Concave, Double Gauge

Button Shape

Spherical, Parabolic, Ballistic, Sharp, Flat

Mining Object

Mining

Diameter

2 Inch to 30 Inch

MOQ

1 Piece

Application

Coal, Ore, Water Well, Quarry, Construction

Delivery Time

Within 25 Working Days

Transport Package

Poly Wood

Specification

34mm 7botton

Trademark

HJG

Origin

China

HS Code

8207199000

Production Capacity

200000PCS/Year

Key features

20 Years Manufacturing Experience: Over 20 years of expertise in rock drilling tools and pneumatic tools.

High Carbon Steel Material: Constructed from high carbon steel for durability and wear resistance.

OEM and ODM Accepted: We accept both OEM and ODM services for customized requirements.

Fast Delivery Time: Stable delivery within 25 working days for most orders.

Wide Application Range: Suitable for coal, ore, water wells, quarries, and construction.

Large Production Capacity: Factory area over 50,000 SQM with over 700 employees.

Flexible MOQ: Minimum order quantity is just 1 piece or 1 complete set.

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

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: ≤8.66h 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.