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Sandvik / Tamrock
BG 011 626 29b Hydraulic Pump, Axial PISTON
DD422i
Available — Request Quote| Part Number | BG 011 626 29b |
| Description | Hydraulic Pump, Axial PISTON |
| Brand | Sandvik (Tamrock) |
| Assembly | Pump, Piston, Axial |
| Type | Drill Rig Spare Part |
Quick answer
BG 011 626 29b (also written BG01162629b or BG-011-626-29b) is a Sandvik hydraulic pump, axial piston spare part used in the Pump, Piston, Axial assembly of the Sandvik DD422i. Verified compatible with 2 Sandvik machine models including DD422i, DL432i. 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: BG01162629b, BG 011 626 29b, BG-011-626-29b.
Compatible machines
2
OEM cross-reference
BG 011 626 29b
About Sandvik BG 011 626 29b Hydraulic Pump, Axial PISTON
A critical hydraulic component in the Sandvik DD422i percussion mechanism, this piston converts hydraulic pressure into the powerful impact force needed for rock breaking. Located in the Pump, Piston, Axial, worn pistons cause reduced penetration rate, increased energy consumption, and decreased overall drilling efficiency.
This is an OEM-compatible aftermarket replacement part for the Sandvik DD422i (DD422i). 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.

