


Sandvik / Tamrock
551 644 16 Plate
DD321-40
| Part Number | 551 644 16 |
| Description | Plate |
| Brand | Sandvik (Tamrock) |
| Assembly | ASSEMBLY |
| Type | Drill Rig Spare Part |
Quick answer
551 644 16 (also written 55164416, 551-644-16, or 551.644.16) is a Sandvik plate spare part used in the ASSEMBLY assembly of the Sandvik DD321-40. Verified compatible with 8 Sandvik machine models including DD321-40, DD321-40C, DL421-7C. 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: 55164416, 551 644 16, 551-644-16.
Compatible machines
8
OEM cross-reference
551 644 16
About Sandvik 551 644 16 Plate
This plate component serves a structural or protective function in the ASSEMBLY of the Sandvik DD321-40. Plates in drilling equipment must resist wear, impact, and environmental corrosion while maintaining dimensional accuracy for proper assembly alignment.
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.








