BK DRILLING

Quick answer

884 261 79 (also written 88426179, 884-261-79, or 884.261.79) is a Sandvik piston spare part used in the VALVE ASSY assembly of the Sandvik DX700. Verified compatible with 42 Sandvik machine models including AXERA 6-240, AXERA 7-240, AXERA 8-290. 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: 88426179, 884 261 79, 884-261-79.

Compatible machines

42

OEM cross-reference

884 261 79

About Sandvik 884 261 79 PISTON

This piston is a key element of the VALVE ASSY in the Sandvik DX700. 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 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

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.