McMillen 12-Inch Auger Bit for Skid Steers
🟡 High Flow
View on mcmillenauger.com →
Overview
McMillen's 12-inch auger bit is the most common size for wooden fence post holes and small tree planting. Pairs with McMillen auger drive units. McMillen is a leading US auger manufacturer with Canadian dealer presence through STIHL and equipment dealers. Available in Canada.
Canada Availability
Available in Canada through McMillen dealers and equipment dealers.
Key Facts
- Bit diameter: 12 inches
- Application: fence posts, tree planting, footings
- Drive: McMillen auger drive unit
- Mount: hex drive
- Typical bit weight: 35–55 lbs
- Hydraulic flow: determined by auger drive unit (typically 15–30 GPM standard flow, 30–45 GPM high-flow for large drives)
Is This Right For You?
✅ Buy if…
- You already have an auger drive unit and need the right bit for your soil type or hole diameter
- You drill specific hole sizes for fence posts, footings, or tree planting and need diameter variety
⛔ Skip if…
- You don't have an auger drive unit — a bit alone does nothing without a compatible drive motor
- Your soil is solid rock or hardpan — standard earth bits fail fast, you need a dedicated frost/rock bit
🔍 Also consider…
- Rock or frost auger bit if your ground is caliche, Shield rock, or frozen Prairie soil
- Auger drive unit if you don't yet have one compatible with your machine's hydraulic flow
🔧 Machine Compatibility
Compatible with all skid steer brands and compact track loaders via universal SSQA quick attach. Mid-frame machines (S450–S650 class) are the most common fit.
About McMillen in Canada
McMillen is a US-based manufacturer of auger drives and bits with a long track record in North American construction and agricultural markets. Their heavy-duty auger systems are available through equipment dealers across Canada and are built to handle demanding soil and rock conditions.
✅ Last checked: March 2026