Your Professional Auger Extension Supplier!
Haorui Hydraulic Transmission Co., Ltd. specializes in the design and manufacturing of hydraulic winches and planetary gear reducers, with a complete production and quality control system. Our products are widely used in lifting, drilling, construction machinery, and marine applications.
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Auger Bits ExtensionM4-E auger bits extension are made for increasing the reach of M4 and S4 augers on 1–5 ton excavators and compact skid steers.
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Earth Auger ExtensionEarth Auger Extension range is engineered to increase the drilling depth of auger systems, widely used on 5–8 ton excavators, backhoes, and high-flow skid steer loaders.
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Digga ExtensionDigga extension replacement models are engineered for heavy-duty auger applications on 8–22 ton excavators and backhoes.
Why Choose Us
Rich Experience
Our with over 20 years of experience. Our factory is committed to the R&D, manufacturing, and global supply of high-performance hydraulic products.
Production Equipment
We are equipped with a full range of high-precision machines to support the in-house manufacturing of hydraulic products, including: CNC Turning Centers, Vertical and Horizontal Machining Centers, Gear Processing Machines (gear hobbing, shaping, shaving), Hydraulic Assembly Stations....
Sales Market
Our main export markets include the European Union, the United States, Brazil, Argentina, Russia, and Southeast Asia.
Our Service
There is a triple service guarantee of pre-sales, sales, and after-sales, allowing users to make purchases with confidence.
Auger Extension - Overview
An Auger Extension is an attachment for auger tools (power augers for ice or earth) that adds length to the existing auger assembly, allowing you to drill deeper holes into thick ice or tough soil. These extensions are typically tubular and connect between the power unit and the auger bit, featuring different lengths and connection types to ensure compatibility with a wide range of auger systems.
Product Specification
We offers the following product specifications:
|
Model |
Compatible |
Suitable Class |
Length Options |
Shaft Options |
Typical Applications |
|
M4-E |
Auger Torque S4 / Digga PDD–PD3 |
1–5 Ton Excavators / Skid Steers |
Fixed: 0.5m / 1.0m / 1.2m; |
65mm round / hex |
Fencing, Tree Planting, Light Groundworks |
|
M5-E |
Auger Torque S5 / Digga SD60–SD80 |
4–9 Ton Excavators / Skid Steers ≤120HP |
Fixed: 1.0m / 1.2m / 1.5m; |
75mm round / 3" hex |
Utility Poles, Medium Drilling Depths |
|
M6-E |
Auger Torque S6 / Digga A8 Series |
8–15 Ton Excavators / Skid Steers ≤150HP |
Fixed: 1.2m / 1.5m / 1.8m; |
75mm round / 3" hex |
Foundation Boring, Deep Hole Drilling |
Increased Digging Depth
Deeper Holes: The primary benefit is the added length, which allows for drilling to greater depths, essential for projects like post hole installation or well digging.
Greater Reach: Extensions increase the overall reach of the auger, enabling access to areas that would be difficult or impossible to reach with the standard equipment.
Enhanced Versatility and Efficiency
Compatibility: Many auger extensions are designed with universal or specific interface designs (like a 2-inch hex hub) to ensure compatibility with a wide range of auger drives and bits, increasing their utility.
Adaptability: Telescoping or adjustable extensions offer flexibility to tailor the equipment to the specific depth and application required.
Streamlined Operations: For tasks requiring many holes, extensions can reduce the time spent adding and removing auger bits, making the process more efficient.
Improved Performance and Durability
Precision: A strong, well-welded hub and shaft design reduces excess play, leading to straighter, more accurate holes.
Strength: Extensions are built with heavy-wall tubing and precision-welded components to ensure they can withstand the demanding torque and forces involved in earth drilling.
Cost-Effectiveness
Avoids Rental: Purchasing an auger extension can be more cost-effective for frequent or long-term projects compared to the continuous expense of renting an auger.

Application
Construction
For creating foundations, installing poles, and general site work.
01
Landscaping
For planting trees, setting posts, and other landscaping tasks.
02
Environmental
For soil testing and drilling monitoring wells.
03
Mining and Geothermal
For drilling larger diameter holes, core sampling, and other exploration activities.
04
Water Well
For drilling wells to access subsurface water.
05
Requirement Discussion:
Contact us and provide your design drawings, size specifications, and other technical parameters.
Design Proposal:
Our professional team will develop a design proposal and provide a quotation based on your requirements.
Sample Production
We produce samples according to the design proposal and conduct rigorous testing.
Mass Production
Upon your approval, we commence mass production to ensure timely delivery and consistent quality.
After-Sales Service
We offer ongoing technical support and service to ensure the long-term stable operation of our products.
Certifications

Package & Delivery
Package: Standard export package or Custom
Delivery: By air express, by sea

FAQ
As one of the leading auger extension manufacturers and suppliers in China, we warmly welcome you to buy high-grade auger extension for sale here from our factory. All our products are with high quality and low price.
for S5 Drill



