


Sandvik / Tamrock
550 550 51 SIGN
DS410
| Part Number | 550 550 51 |
| Description | SIGN |
| Brand | Sandvik (Tamrock) |
| Assembly | FINISHING |
| Type | Drill Rig Spare Part |
Quick answer
550 550 51 (also written 55055051, 550-550-51, or 550.550.51) is a Sandvik sign spare part used in the FINISHING assembly of the Sandvik DD320-40. Verified compatible with 8 Sandvik machine models including AXERA 8-290, DD320-40, DL310-7P. 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: 55055051, 550 550 51, 550-550-51.
Compatible machines
8
OEM cross-reference
550 550 51
About Sandvik 550 550 51 SIGN
This component is part of the FINISHING assembly in the Sandvik DD320-40. Maintaining OEM-compatible replacement parts ensures reliable machine performance and minimizes downtime in demanding mining and drilling operations.
This is an OEM-compatible aftermarket replacement part for the Sandvik DD320-40 (DD320-40). 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.









