Length
24 – 72 in
Models available
5 variants
Type
Fixed length
Guaranteed Fit
Fast Shipping
Hassle-Free Returns
Description
🏭Made in USA since 1981
🔒1-year warranty
🔨Fixed length, no telescoping joint
📘 Overview
A Star Industries auger extension fits between the auger drive unit and the bit, adding depth without changing either. Five fixed lengths are offered — 24, 36, 48, 60 and 72 inches — so you add exactly the depth the job needs rather than carrying an adjustable joint that becomes the weak point in the drill stem. Star auger bits are all 48 inches overall length, which sets usable depth once the drive and coupler are accounted for; an extension is how you get past that on deep footings, piles and tree planting.
⚙ Key Features of the Star Industries 160A-E Auger Shaft Extension
- Five fixed lengths: 24, 36, 48, 60 and 72 in
- Fits between the auger drive unit and the auger bit
- Fixed length construction — no telescoping joint to work loose under torque
- Standard 2 in hex connection
- Adapters available to convert between 2 in hex and 2.5 in round
- Suits every Star 160A auger bit, dirt and rock alike
- An auger shaft extension and auger bit extension for deep footings and piles
- A hex auger extension and auger drive extension on the standard 2 in hex connection
- A skid steer auger extension that suits every Star 160A bit
- 1-year warranty on auger accessories, made in the USA since 1981
🔑 Why Buyers Choose the Star Industries 160A-E Auger Shaft Extension
- Fixed length has no joint to fail — a telescoping extension puts a sliding connection in the middle of the drill stem, exactly where torque peaks. A fixed bar has one continuous section and nothing to work loose.
- Five lengths means you add only what you need — every inch of extension moves the bit further from the machine and reduces the control you have over hole alignment, so the shortest extension that reaches is always the right one.
- Depth without buying a longer bit — a 72 inch extension on a 48 inch bit reaches far deeper than any single bit Star builds, at a fraction of the cost of a special-length auger.
- One extension serves the whole bit range — the same 2 inch hex connection carries dirt augers, rock augers and the T-post auger, so a yard running several bit sizes stocks one extension per depth.
- Alignment matters more as you extend — start the hole with the bit alone and add the extension once the auger is tracking straight, which is how you avoid a leaning footing.
📊 Star Industries 160A-E Auger Shaft Extension Specifications
| Model | Length | Type | Connection |
|---|---|---|---|
| 160A-E24 | 24 in | Fixed length | 2 in hex |
| 160A-E36 | 36 in | Fixed length | 2 in hex |
| 160A-E48 | 48 in | Fixed length | 2 in hex |
| 160A-E60 | 60 in | Fixed length | 2 in hex |
| 160A-E72 | 72 in | Fixed length | 2 in hex |
📋 Auger Extension Lengths at Checkout
| Option as shown at checkout | What you get |
|---|---|
| 24" | 160A-E24, 24 in fixed length shaft extension, 2 in hex connection |
| 36" | 160A-E36, 36 in fixed length shaft extension, 2 in hex connection |
| 48" | 160A-E48, 48 in fixed length shaft extension, 2 in hex connection |
| 60" | 160A-E60, 60 in fixed length shaft extension, 2 in hex connection |
| 72" | 160A-E72, 72 in fixed length shaft extension, 2 in hex connection |
🔗 What the Auger Extension Works With
The 160A-E extension is a mechanical link in the drill stem — it needs no hydraulics of its own and fits any Star 160A auger bit, dirt or rock, on the standard 2 inch hex connection. If your drive or bit uses a 2.5 inch round connection, adapter 160A-AD01 converts a 2 inch hex drive to a 2.5 inch round bit and 160A-AD02 converts the other way. The replacement 2 inch hex coupler is part 160A-112042A.
🚜 Which Auger Drives and Bits Fit This Auger Extension?
The extension fits between any auger drive with a 2 inch hex output and any Star 160A auger bit — the HDSF single flight dirt augers, the 160A-R rock augers and the 160A-TP2 T-post auger all use the same connection. Star 160D drive units are the direct match, and other makes with a 2 inch hex output will fit. Where connections differ, adapters cover both directions. Bear in mind that adding extension increases the torque the whole train sees, so match extension length to the drive and the ground rather than fitting the longest bar available.
| Requirement | Detail |
|---|---|
| Drive connection | 2 in hex standard; optional round drive available by adding suffix B to the model number |
| Adapters | 160A-AD01 converts 2 in hex drive to 2.5 in round bit; 160A-AD02 converts 2.5 in round drive to 2 in hex bit |
| Compatible drives | Star 160D auger drive units, and other makes using a 2 in hex or 2.5 in round output |
| Machine types | Skid steer loaders, compact track loaders, mini skid steers, mini excavators and backhoes running a Star auger drive |
| Hydraulics | Supplied by the auger drive unit, not by the bit itself |
❓ Star Industries 160A-E Auger Shaft Extension Questions, Answered
What does an auger extension do?
This auger extension bar fits between the auger drive unit and the auger bit to add drilling depth. Star auger bits are 48 inches overall length, so an extension is how you reach deeper for footings, piles and tree planting without buying a special-length bit.
Which auger extension length should I choose?
Take the shortest one that reaches. The Star 160A-E comes in 24, 36, 48, 60 and 72 inch fixed lengths. Every inch of extension moves the bit further from the machine and makes hole alignment harder to control, so extra length you do not need works against you.
Why fixed length rather than telescoping?
A telescoping extension puts a sliding joint in the middle of the drill stem, which is where torque is highest. A fixed length bar is one continuous section with nothing to work loose or seize under load.
Will the extension fit my auger bit?
It fits every Star 160A auger bit on the standard 2 inch hex connection — the HDSF single flight dirt augers, the 160A-R rock augers and the 160A-TP2 T-post auger. Adapters 160A-AD01 and 160A-AD02 convert between 2 inch hex and 2.5 inch round if your drive or bit differs.
Can I stack two extensions together?
Each extension is a fixed length section in the drill stem, and adding length increases both the torque the train sees and the difficulty of keeping the hole straight. Choose a single extension that gives the depth you need rather than combining shorter ones.
Does the extension need its own hydraulics?
No. The extension is a mechanical link between the drive and the bit. All hydraulic connection is at the auger drive unit.
How do I keep a deep hole straight?
Start the hole with the bit alone so the auger tracks true, then add the extension once it is established. Starting with the full extended length fitted is what produces a leaning footing.
What warranty comes with the auger extension?
The Star Industries 160A-E auger extension carries a 1-year warranty, the band Star applies to auger accessories, and is made in the USA.
How do I order and how is shipping calculated?
Add the extension to your cart on eskidsteer.com and complete checkout online. Shipping is calculated at checkout once you enter your delivery address.
📥 Star Industries 160A-E Auger Shaft Extension Downloads
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