The ring that keeps your HF820 drifter running—precise fit, less downtime
Sandvik 55021542 RING HF820 DRIFTER is a direct replacement ring for HL800T rock drills. It fits the HF820 drifter and holds up under constant vibration and abrasive dust.
Made from high-strength alloy, this ring keeps the drifter assembly tight, reducing wear on nearby components. We stock it so you don't have to wait on a backorder.
Each part is engineered and QC'd against the exacting standards your equipment demands.
alloy holds its shape under heavy impact—less ovaling and premature failure
to exact dimensions so it seats properly in the HF820 drifter without shimming or extra fitting
resists moisture and abrasive dust, common in tunneling and quarry work

Sandvik 55021542 RING HF820 DRIFTER is a direct replacement ring for HL800T rock drills. It fits the HF820 drifter and holds up under constant vibration and abrasive dust.
Made from high-strength alloy, this ring keeps the drifter assembly tight, reducing wear on nearby components. We stock it so you don't have to wait on a backorder.

From mining fleets to manufacturing lines, this part ships globally and runs under load.
Proven in thousands of installations across mining, construction, energy and heavy manufacturing. Designed for 24/7 operation and backed by a responsive engineering support team.
Inspect every critical surface, tolerance and finish before you commit.






Key parameters below. Full dimensional drawings, tolerance sheets and material certificates available on request.