


Sandvik / Tamrock
550 399 16 LOCKING PLATE
DS410
| Part Number | 550 399 16 |
| Description | LOCKING PLATE |
| Brand | Sandvik (Tamrock) |
| Assembly | CARRIER FRAME PARTS |
| Type | Drill Rig Spare Part |
Quick answer
550 399 16 (also written 55039916, 550-399-16, or 550.399.16) is a Sandvik locking plate spare part used in the CARRIER FRAME PARTS assembly of the Sandvik DD321-40. Verified compatible with 8 Sandvik machine models including AXERA 7-240, 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: 55039916, 550 399 16, 550-399-16.
Compatible machines
8
OEM cross-reference
550 399 16
About Sandvik 550 399 16 LOCKING PLATE
Part of the CARRIER FRAME PARTS in the Sandvik DD321-40, this plate provides essential mounting, wear protection, or structural support. Regular inspection for wear, cracking, or deformation helps prevent unexpected equipment failure during drilling operations.
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.







