21 Inch Auger Bit Extension For 40V HP Brushless Earth Auger Fits Deep Holes Up To 53 Inches With Quick Connect 8 mm Heavy Duty Add On For Tall Fence Posts And Deep Hole Projects

21-Inch Auger Bit Extension for 40V HP Brushless Auger
✔️ Single unit, fits RY40701/RY40710, 8 mm quick-connect

The 21 in. auger bit extension expands the reach of your 40V HP Brushless Earth Auger, letting you drill deeper holes up to 53 inches (1346 mm). Ideal for tall fence posts and large landscape projects, this add-on boosts overall digging capacity without swapping tools.

✅ Length: 21 in (533 mm); depth reach up to 53 in (1346 mm)
✅ Quick-connect 8 mm attachment for fast changes
✅ Heavy-duty steel construction with powder coat finish
✅ Compatible with RY40701 and RY40710 40V HP Brushless Earth Auger
✅ Ideal for tall fences and deep hole projects

💡 What is a long reach auger bit extension best used for in deep hole projects?

It's handy for extending reach and depth so you can install tall fences or plant trees with less effort.

- Deep holes up to 53 in (1346 mm) for tall posts and trees - 8 mm quick-connect enables fast bit swaps - Durable steel with powder coat resists outdoor weather - Compatible with 40V HP Brushless models RY40701 and RY40710