Description

Built for continuous heavy-duty service, the Expanding Shaft (OEM 3125 1981 81) is a premium aftermarket component for rock drilling and drifter rigs operating in extreme conditions. It carries rotational or linear force between connected components, where accurate straightness and finish are essential to smooth, vibration-free running.

Made from hardened, precision-ground alloy steel, it withstands bending, torsional fatigue and wear under continuous high-load operation. Supplied as an alternative spare part, it provides direct functional interchangeability and dependable performance at a competitive price.

Delkom manufactures the world’s highest-quality alternative rock drilling, drifter equipment and spare parts, exported to more than 100 countries. Contact us for availability, bulk pricing and technical support.