Sandvik / Tamrock
551 808 57d Washer Unit mounting
DD321-40
| Part Number | 551 808 57d |
| Description | Washer Unit mounting |
| Brand | Sandvik (Tamrock) |
| Assembly | 13 |
| Type | Drill Rig Spare Part |
Quick answer
551 808 57d (also written 55180857d, 551-808-57d, or 551.808.57d) is a Sandvik washer unit mounting spare part used in the 13 assembly of the Sandvik DD321-40. Verified compatible with 2 Sandvik machine models including DD321-40, DD321-40C. 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: 55180857d, 551 808 57d, 551-808-57d.
Compatible machines
2
OEM cross-reference
551 808 57d
About Sandvik 551 808 57d Washer Unit mounting
This fastener is used in the 13 of the Sandvik DD321-40. 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 DD321-40 (DD321-40). 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.
