


Sandvik / Tamrock
550 539 85 Ring
DT1132i
Available — Request Quote| Part Number | 550 539 85 |
| Description | Ring |
| Brand | Sandvik (Tamrock) |
| Assembly | Brake Housing Assembly |
| Type | Drill Rig Spare Part |
Quick answer
550 539 85 (also written 55053985 or 550-539-85) is a Sandvik ring spare part used in the Brake Housing Assembly assembly of the Sandvik DT921i. Verified compatible with 3 Sandvik machine models including DT1132i, DT1330i, DT921i. 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: 55053985, 550 539 85, 550-539-85.
Compatible machines
3
OEM cross-reference
550 539 85
About Sandvik 550 539 85 Ring
An essential element of the Brake Housing Assembly in the Sandvik DT921i, 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 DT921i (DT921i). 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.