Sandvik / Tamrock
551 660 42 Lock nut
DX700
Available — Request Quote| Part Number | 551 660 42 |
| Description | Lock nut |
| Brand | Sandvik (Tamrock) |
| Assembly | DISCHARGE VALVE |
| Type | Drill Rig Spare Part |
Quick answer
551 660 42 (also written 55166042 or 551-660-42) is a Sandvik lock nut spare part used in the DISCHARGE VALVE assembly of the Sandvik DX700. Verified compatible with 9 Sandvik machine models including DC550, DQ500, DX500. 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: 55166042, 551 660 42, 551-660-42.
Compatible machines
9
OEM cross-reference
551 660 42
About Sandvik 551 660 42 Lock nut
This fastener is used in the DISCHARGE VALVE of the Sandvik DX700. High-strength fasteners in drilling equipment must withstand extreme vibration, cyclic loading, and environmental exposure. Using OEM-specification fasteners ensures proper clamping force and joint integrity in critical assemblies.
This is an OEM-compatible aftermarket replacement part for the Sandvik DX700 (DX700). 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.