




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100mm Square auger extensions
Increase the drilling depth of your auger bit with Digga's range of super heavy duty extensions. For large drive units with 100mm square shafts, XO40-HD outer extensions are available in 3 different lengths - 6ft, 8ft, and 10ft.
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Easy fit design
Easy fit design with no adaptors required helping you connect and disconnect your augers faster.
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Reduce excess play
Super heavy duty welded hubs and shafts provides extensions with more rigidity and reduce excess play in the connections resulting a straighter hole.
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Various lengths
Various length options available for super heavy duty auger outer extensions including 6ft, 8ft, and 10ft for XO40-HD models.
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American made quality
Our quality products are manufactured in-house by Digga in America. We use only the highest grade materials and strictest quality control.
outer - xo40-hd | ![]() |
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Type | Outer | |
Auger Bit Suitability | RC11 | |
Drive Suitability | SD45 - SD70 | |
Machine Suitability | Up to 50 ton | |
Maximum Torque | 70000 ft lbs | |
Standard Hub | 100 mm Square | |
Body - Dia x Wall | 8.625 x 0.5 in | |
Length Options | 6 / 8 / 10 ft | |
Availability | Stock Item |