Belltec SDA HD Dirt Augers

The Belltec SDA HD Dirt Augers are heavy-duty earth auger attachments for drilling post holes and footings in dirt and fractured rock. They come in multiple diameters and lengths and fit common drive shafts for tractors and skid steers.

Key Features

• Cutting head: Compound-angle boring head for aggressive cutting in compacted or fractured soils.
• Replaceable teeth: Drive-in tooth design for quick tooth changes and reduced downtime.
• Pilot shaft: Typical pilot diameter ~4.5" for hole guidance and alignment.
• Flighting options: Single flight for maximum spoil removal or double flight for added stability and faster pull-out.
• Diameters: Available from 4.5" up to 36".
• Lengths: Choose 48" or 54" auger lengths.
• Center shaft: Center shaft diameter options between 2-3/8" and 3".
• Flight thickness: 5/16" steel flighting.
• Drive compatibility: Couplers for 2" Round, 2-9/16" Round, and 2" Hex drive shafts.
• Application: Designed for dirt and fractured rock drilling tasks.
• Manufacturer/Series: Belltec, SDA Series.

Ideal for: Farmers, ranchers, fence contractors, and construction crews needing reliable post-hole and footing drilling in variable soil conditions.