Sandvik / Tamrock
428 702 10b O-ring
Rock Drill Spare Part
| Part Number | 428 702 10b |
| Description | O-ring |
| Brand | Sandvik (Tamrock) |
| Assembly | Rock drill |
| Type | Rock Drill Spare Part |
Quick answer
428 702 10b (also written 42870210b, 428-702-10b, or 428.702.10b) is a Sandvik o-ring spare part used in the Rock drill assembly of the Sandvik DX700. Verified compatible with 28 Sandvik machine models including DC122R, DC125R, DC550. Used in 3 drifter configurations (HEX1, HL500, HL510). 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: 42870210b, 428 702 10b, 428-702-10b.
Compatible machines
28
Drifter configurations
3
OEM cross-reference
428 702 10b
About Sandvik 428 702 10b O-ring
This O-ring provides critical sealing in the hydraulic or pneumatic circuits of the Sandvik DX700. Part of the Rock drill, it prevents fluid leakage at connection points and maintains system pressure integrity essential for efficient drilling operations.
This is an OEM-compatible aftermarket replacement part for the Sandvik DX700 (DX700). 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.
