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Sandvik / Tamrock
551 657 52a Assembly
DT821-C
Available — Request Quote| Part Number | 551 657 52a |
| Description | Assembly |
| Brand | Sandvik (Tamrock) |
| Assembly | Extension feed |
| Type | Drill Rig Spare Part |
Quick answer
551 657 52a (also written 55165752a or 551-657-52a) is a Sandvik assembly spare part used in the Extension feed assembly of the Sandvik DT821-C. Verified compatible with 3 Sandvik machine models including DD421-60C, 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: 55165752a, 551 657 52a, 551-657-52a.
Compatible machines
3
OEM cross-reference
551 657 52a
About Sandvik 551 657 52a Assembly
An essential element of the Extension feed in the Sandvik DT821-C, this part is designed to meet the exacting standards required for underground and surface drilling equipment. Timely replacement prevents costly cascading failures in critical machine systems.
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.



