Sandvik / Tamrock
550 727 95 O-ring
DT820-SC
Available — Request Quote| Part Number | 550 727 95 |
| Description | O-ring |
| Brand | Sandvik (Tamrock) |
| Assembly | SECTION |
| Type | Drill Rig Spare Part |
Quick answer
550 727 95 (also written 55072795 or 550-727-95) is a Sandvik o-ring spare part used in the SECTION assembly of the Sandvik DT820-SC. Verified compatible with 3 Sandvik machine models including DT1330i, DT820-SC, DT921i. 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: 55072795, 550 727 95, 550-727-95.
Compatible machines
3
OEM cross-reference
550 727 95
About Sandvik 550 727 95 O-ring
A precision-molded sealing element for the Sandvik DT820-SC, this O-ring is used in the SECTION to create a reliable static or dynamic seal. Even minor O-ring deterioration can lead to system pressure loss, so scheduled replacement during routine maintenance is strongly recommended.
This is an OEM-compatible aftermarket replacement part for the Sandvik DT820-SC (DT820-SC). 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 do O-rings fail in drilling equipment?
O-rings fail due to chemical degradation from hydraulic fluid, extreme temperature cycling, excessive pressure spikes, improper installation (twisting or pinching), and age-related hardening. Using the correct material compound for each application is critical.
