Sandvik / Tamrock
550 777 07 PISTON
DT821-C
Available — Request Quote| Part Number | 550 777 07 |
| Description | PISTON |
| Brand | Sandvik (Tamrock) |
| Assembly | TOOL |
| Type | Drill Rig Spare Part |
Quick answer
550 777 07 (also written 55077707 or 550-777-07) is a Sandvik piston spare part used in the TOOL assembly of the Sandvik DT821-C. Verified compatible with 3 Sandvik machine models including DT1330i, DT820-SC, 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: 55077707, 550 777 07, 550-777-07.
Compatible machines
3
OEM cross-reference
550 777 07
About Sandvik 550 777 07 PISTON
This piston is a key element of the TOOL in the Sandvik DT821-C. It operates under extreme cyclic loading and high-pressure hydraulic conditions. Maintaining OEM-specification pistons ensures optimal percussion energy transfer and maximizes rock-breaking performance.
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
How does a worn piston affect drilling performance?
A worn piston reduces percussion energy transfer, decreasing penetration rate and increasing the time and energy required to drill each hole. This directly impacts productivity and operating costs in mining operations.
