


Sandvik / Tamrock
321 557 78 Frame, Slide
DP1500
| Part Number | 321 557 78 |
| Description | Frame, Slide |
| Brand | Sandvik (Tamrock) |
| Assembly | Boom Assembly |
| Type | Drill Rig Spare Part |
Quick answer
321 557 78 (also written 32155778, 321-557-78, or 321.557.78) is a Sandvik frame, slide spare part used in the Boom Assembly assembly of the Sandvik DX700. Verified compatible with 16 Sandvik machine models including DL421-15C, DL421-7C, DL430-7. 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: 32155778, 321 557 78, 321-557-78.
Compatible machines
16
OEM cross-reference
321 557 78
About Sandvik 321 557 78 Frame, Slide
An essential element of the Boom Assembly in the Sandvik DX700, 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 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 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.








