BK DRILLING
85731899 857 318 99 857-318-99 O-RING - Sandvik representative category image
Representative Photo
85731899 857 318 99 857-318-99 O-RING - Sandvik Technical Drawing
Technical Drawing
Click to enlarge

Sandvik / Tamrock

857 318 99 O-RING

Rock Drill Spare Part

Available — Request Quote
Part Number857 318 99
DescriptionO-RING
BrandSandvik (Tamrock)
AssemblyBODY
TypeRock Drill Spare Part

Quick answer

857 318 99 (also written 85731899, 857-318-99, or 857.318.99) is a Sandvik o-ring spare part used in the BODY assembly of the Sandvik DX700. Verified compatible with 23 Sandvik machine models including AXERA D07-260, COMMANDO DC300Ri, DL310-7P. Used in 9 drifter configurations (HFX5T, HL1000, HL1010). 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: 85731899, 857 318 99, 857-318-99.

Compatible machines

23

Drifter configurations

9

OEM cross-reference

857 318 99

About Sandvik 857 318 99 O-RING

This O-ring provides critical sealing in the hydraulic or pneumatic circuits of the Sandvik DX700. Part of the BODY, 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.