


Sandvik / Tamrock
550 688 31 Plate, Guide
DT821-C
| Part Number | 550 688 31 |
| Description | Plate, Guide |
| Brand | Sandvik (Tamrock) |
| Assembly | Air duct assembly |
| Type | Drill Rig Spare Part |
Quick answer
550 688 31 (also written 55068831, 550-688-31, or 550.688.31) is a Sandvik plate, guide spare part used in the Air duct assembly assembly of the Sandvik DT821-C. Verified compatible with 3 Sandvik machine models including DT820, DT821, DT821-C. 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: 55068831, 550 688 31, 550-688-31.
Compatible machines
3
OEM cross-reference
550 688 31
About Sandvik 550 688 31 Plate, Guide
This plate component serves a structural or protective function in the Air duct assembly of the Sandvik DT821-C. 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 DT821-C (DT821-C). 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.





