Fits
Digga A4 earth auger bits
Type
Outer auger tooth
Part number
TS-1
Guaranteed Fit
Fast Shipping
Hassle-Free Returns
Description
Made in USA
Direct fit
Overview
Digga TS-1 auger teeth are the outer replacement teeth for A4 earth auger bits — the bladed steel tooth that sits in the outer pockets of the cutting head and does the widest cutting work, wearing fastest as a result. It is the standard-duty tooth fitted to A4 bits ordered in the Light Conditions – Earth configuration, matched with TS-C-1 inner teeth and a PM-SQ-1 square-drive pilot. Teeth are consumable by design: replacing them individually restores cutting performance without touching the auger tube or flights. If you are drilling harder, more abrasive ground, the tungsten-tipped TS-3 is the direct upgrade in the same pocket.
Key Features of These Digga Auger Teeth
- Part number TS-1 — outer tooth for Digga A4 earth auger bits
- Bladed steel tooth — the earth configuration, for soil, clay and shale
- Outer pocket position — cuts the full hole diameter and takes the highest wear rate on the head
- Paired with TS-C-1 inner teeth and the PM-SQ-1 pilot in a complete earth tooth set
- Direct replacement — no modification to the auger head required
- Upgrade path to TS-3 — multi-faced tungsten fits the same pocket for harder ground
- Retained by TruLoc single pin (WP-000271), sold separately
- Made in Dyersville, Iowa by Digga
Why Replace Teeth Rather Than the Auger
- Teeth are the only part of an auger designed to be consumed — the tube, flights and hub outlast many sets. Running worn teeth transfers cutting load into the head itself, which is the part you cannot replace.
- Outer teeth wear fastest because they cut the most ground — the outer pocket travels the largest circumference per revolution, so it covers more distance and more material than any inner tooth.
- Worn teeth cost drilling time and machine hours — a dull cutting edge means more down-pressure, slower penetration and more heat into the drive for the same hole.
- Keeping a spare set avoids losing a day — teeth are low-cost consumables, and a set on the truck turns a failed hole into a ten-minute change instead of a return trip.
Digga TS-1 Auger Tooth Specifications
| Specification | Value |
|---|---|
| Part number | TS-1 |
| Type | Outer auger tooth |
| Tooth material | Bladed steel — earth configuration |
| Fits | Digga A4 earth auger bits |
| Position | Outer pocket of the cutting head |
| Matching inner tooth | TS-C-1 |
| Matching pilot | PM-SQ-1 |
| Tungsten equivalent | TS-3 (outer), TS-C-3 (inner), PM-SQ-3 (pilot) |
| Pin retention | TruLoc single pin — WP-000271, sold separately |
| Origin | Made in Dyersville, Iowa, USA |
Which Auger Bits Take the TS-1 Tooth?
The TS-1 fits Digga A4 earth auger bits across the full 6" to 36" diameter range. It is the outer tooth in the earth tooth set — TS-1 outer, TS-C-1 inner, PM-SQ-1 pilot. It does not fit the RC4 rock/earth combination bit, which uses TTD-3 outer and TTS-3 inner taper teeth with a PM-HX-3 pilot, nor the larger A6 and A8 ranges, which use the TM series. Note your auger bit model at checkout and we confirm the tooth profile matches.
What Do I Need to Use the TS-1?
The TS-1 is a wear part for an auger bit, not a machine attachment — it fits the Digga A4 auger bit, and the machine underneath is whatever runs that bit.
You need a Digga A4 earth auger bit with outer tooth pockets, and a TruLoc single pin (WP-000271) to retain the tooth, which is ordered separately. Note your bit model at checkout and we confirm the tooth profile matches — the tooth profiles are not interchangeable between those ranges.
Digga TS-1 Auger Tooth Questions, Answered
Which auger bit does the TS-1 fit?
The TS-1 is the outer tooth for Digga A4 earth auger bits, in every diameter from 6" to 36". It does not fit RC4 combination bits or the larger A6 and A8 ranges, which use different tooth profiles.
What is the difference between TS-1 and TS-C-1?
The TS-1 is the outer tooth, sitting in the outer pockets where it cuts the full hole diameter. The TS-C-1 is the inner tooth, working closer to the pilot. A complete earth tooth set for an A4 uses both, plus the PM-SQ-1 pilot.
Should I upgrade to the tungsten TS-3 instead?
If you are drilling compacted, abrasive or granulated ground, yes. The TS-3 carries multi-faced tungsten brazed onto the tooth face and holds an edge far longer in punishing material. It fits the same pocket as the TS-1, so it is a straight swap. For ordinary earth and clay the TS-1 is the appropriate tooth.
How many outer teeth does my auger take?
It depends on diameter — a larger auger head carries more outer pockets than a small one. Count the outer pockets on your existing head when you order, and replace the full set at once so cutting load stays even across the head.
When should I replace auger teeth?
Replace when the cutting edge has rounded off, when penetration slows for the same down-pressure, or when the drive is working noticeably harder for the same hole. Running teeth past that point pushes wear into the auger head, which is not a replaceable part.
Do I need to replace the pilot at the same time?
Not always, but check it. The PM-SQ-1 square-drive pilot starts the hole and takes heavy point loading. If the pilot is rounded or chipped, the auger will wander on start regardless of how good the outer teeth are.
Is the retaining pin included?
No. The TruLoc single pin, part number WP-000271, is a separate item. Keep spares — pins are usually what gets lost during a tooth change in the field.
Can I mix TS-1 and TS-3 teeth on the same head?
It is not recommended. Mixed tooth types wear at different rates and cut at slightly different heights, which loads some pockets more than others and gives a rougher hole. Run a matched set.
How is shipping calculated?
Shipping is calculated at checkout — add the item to your cart, enter your delivery address, and the shipping charge is shown before you complete your order. Lift gate service is available for residential deliveries and can be selected at checkout.
How do I order?
Add the item to your cart and check out online — the order page asks for your machine make and model, so there is no need to call ahead. We check the mount against your machine after the order and come back to you if anything needs changing. If you would rather ask first, email support@eskidsteer.com or use the chat button on your screen.
Keeping auger replacement parts on hand is the cheapest insurance on a drilling crew. The TS-1 pairs with the TS-C-1 inner tooth and the PM-SQ-1 auger pilot to make a full earth set for any skid steer auger bit in the A4 range. Crews running an earth auger bit daily typically carry one spare set per machine. All auger bit teeth in the Digga range are made in Dyersville, Iowa, and a genuine Digga auger tooth seats correctly in the pocket without filing.
Digga TS-1 Auger Tooth Downloads
Digga TS-1 Auger Tooth Video
Shipping
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