Expanding Shaft

Developed as a practical replacement option for hard-working drill rigs and drifters, the Expanding Shaft (OEM 3125 3077 80) is used within the rotation and drive train. It maintains location, spacing or joint integrity between mating components, helping preserve alignment under vibration and repeated operating loads.

This reference is catalogued for equipment such as BOLTEC 235 and BOLTEC 235H; confirm the exact application before placing the order. Controlled geometry supports dependable assembly at the joint and helps prevent excess movement that could accelerate wear of surrounding parts. It is positioned for operators seeking a dependable alternative spare part with application-focused fit and efficient procurement.

Delkom combines rock-drilling spare-parts expertise with broad export capability for mining and tunneling customers. For purchasing support, bulk requirements or fitment confirmation, use Delkom reference 120 400 319 and OEM reference 3125 3077 80.