Sandvik / Tamrock
550 729 48a Relay
DT1132i
| Part Number | 550 729 48a |
| Description | Relay |
| Brand | Sandvik (Tamrock) |
| Assembly | Junction Box Assembly |
| Type | Drill Rig Spare Part |
Quick answer
550 729 48a (also written 55072948a, 550-729-48a, or 550.729.48a) is a Sandvik relay spare part used in the Junction Box 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: 55072948a, 550 729 48a, 550-729-48a.
Compatible machines
3
OEM cross-reference
550 729 48a
About Sandvik 550 729 48a Relay
An essential element of the Junction Box 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.