Sandvik / Tamrock
551 645 78d ETAPA
DD421-60C
| Part Number | 551 645 78d |
| Description | ETAPA |
| Brand | Sandvik (Tamrock) |
| Assembly | Box, Step |
| Type | Drill Rig Spare Part |
Quick answer
551 645 78d (also written 55164578d, 551-645-78d, or 551.645.78d) is a Sandvik etapa spare part used in the Box, Step assembly of the Sandvik DD421-60C. Verified compatible with 3 Sandvik machine models including DD421-60, DD421-60C, DL421-15C. 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: 55164578d, 551 645 78d, 551-645-78d.
Compatible machines
3
OEM cross-reference
551 645 78d
About Sandvik 551 645 78d ETAPA
An essential element of the Box, Step in the Sandvik DD421-60C, 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 DD421-60C (DD421-60C). 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.
