


Sandvik / Tamrock
550 521 18 Pipe
DQ100
| Part Number | 550 521 18 |
| Description | Pipe |
| Brand | Sandvik (Tamrock) |
| Assembly | VALVE ASSEMBLY |
| Type | Drill Rig Spare Part |
Quick answer
550 521 18 (also written 55052118, 550-521-18, or 550.521.18) is a Sandvik pipe spare part used in the VALVE ASSEMBLY assembly of the Sandvik DQ100. Verified compatible with 1 Sandvik machine model including DQ100. 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: 55052118, 550 521 18, 550-521-18.
Compatible machines
1
OEM cross-reference
550 521 18
About Sandvik 550 521 18 Pipe
An essential element of the VALVE ASSEMBLY in the Sandvik DQ100, 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 DQ100 (DQ100). 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.

