hole borers Hole Borers - Hydraulic for Excavators 1 to 50 tons & PTO. Contact: George Murphy 086 2231 756 TRH 201 Max 2 ton, ∅ Auger Max 200mm TRH 202 Max 2.5 ton, ∅ Auger Max 300mm TRH 302 Max 3 ton, ∅ Auger Max 300mm TRH 304 Max 4 ton, ∅ Auger Max 350mm TRH 406 Max 6 ton, ∅ Auger Max 400mm TRH 508 Max 8 ton, ∅ Auger Max 500mm TRH 610 Max 10 ton, ∅ Auger Max 600mm TRH 815 Max 15 ton, ∅ Auger Max 800mm TRH 1020 Max 20 ton, ∅ Auger Max 1000mm TRH 1225 Max 25 ton, ∅ Auger Max 1200mm TRH 1530 Max 30 ton, ∅ Auger Max 1500mm TRH 1550 Max 50 ton, ∅ Auger Max 1500mm Hole Borer PTO. Axial II From 50 HP, ∅ Auger Max 600mm Options: Reversing gearbox, offset. Senior II From 50 HP, ∅ Auger Max 600mm Options: Reversing gearbox, offset.