


Sandvik / Tamrock
550 445 09 ETAPAS
DS411-C
| Part Number | 550 445 09 |
| Description | ETAPAS |
| Brand | Sandvik (Tamrock) |
| Assembly | Supporting block |
| Type | Drill Rig Spare Part |
Quick answer
550 445 09 (also written 55044509, 550-445-09, or 550.445.09) is a Sandvik etapas spare part used in the Supporting block assembly of the Sandvik DS411-C. Verified compatible with 3 Sandvik machine models including DS411-C, DS421, DS421-C. Available as an aftermarket replacement drill part from BK Drilling — Turkey-based Sandvik and Epiroc spare parts supplier serving mining contractors worldwide. Quote on request via WhatsApp; typical lead time 3-7 days for stock items.
Part code alternate forms: 55044509, 550 445 09, 550-445-09.
Compatible machines
3
OEM cross-reference
550 445 09
About Sandvik 550 445 09 ETAPAS
An essential element of the Supporting block in the Sandvik DS411-C, this part is designed to meet the exacting standards required for underground and surface drilling equipment. Timely replacement prevents costly cascading failures in critical machine systems.
This is an OEM-compatible aftermarket replacement part for the Sandvik DS411-C (DS411-C). Also compatible with Tamrock branded equipment of the same model series. BK Drilling supplies this part with fast worldwide shipping and competitive pricing.
Frequently asked questions
Why use OEM-compatible parts for Sandvik drilling equipment?
OEM-compatible parts are manufactured to the same dimensional tolerances and material specifications as original components, ensuring proper fit, reliable performance, and maintaining the designed safety margins of the drilling machine.



