Expanding Shaft

The Expanding Shaft (OEM 3128 3029 56) is a durable alternative replacement designed to perform reliably on rock drills and drifter rigs in harsh mining and tunnelling applications. 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 produces premium alternative rock drilling and drifter equipment and spare parts, shipped to over 100 countries worldwide. Get in touch for stock availability, bulk pricing and technical assistance.