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SplitStone is superior hydraulic rock splitter! Darda, Yamamoto and Super wedge use a similar hydraulic wedging method.

SplitStone is stone splitter which delivers the splitting power in an ideal way. The method is patented.

SplitStone product range covers everything from large stone quarries and city quarry to private stone or rock splitting.

Hydraulic SplitStone technique in block quarry produces straight and clean cut without color drawbacks or hair cracks. It's easy and light to handling wedges. Thanks to amazing wedge cylinder relieves.

SplitStone has large range of products in different drilling holes and wedging deeps. Also you can use SplitStone by many diffrent excavator or crane. Note! Splitters especially for small excavators! Hand held stone splitters are part of our product range too.

SplitStone is developed and manufactured by Kirnuvuori Oy.



SP100 lineup is evolving

SplitStone SP100 lineup is currently under development. More information about the new SP100 lineup will be available shortly. Stay tuned!

SplitStone products at Borr&Spräng 2016 exhibition (26.-27.5.2016)

SplitStone welcomes you to visit Borr&Spräng 2016 exhibition at Aronsborg, Sweden. More information about the event: Borr&Spräng.

SplitStone is looking for country resellers

We are looking for resellers for the SplitStone technology. If you are interested, please contact SplitStone project manager Seppo Leppälä (seppo.leppala (at)

New power wedge for stone breaking - S200 with 1200 mm wedges!

SplitStone introduces a new powerful wedge for stone and rock breaking! S200 reaches wedging length up to 1200 mm. The wedge is used with 89 millimeter drill holes. The wedging is done by three quick consecutive cylinder strokes.

Power wedge for stone breaking - S120B

New pressure booster equipped power wedge for stone and rock breaking, the SplitStone S120B, was introduced at MAXPO 2015. The S120B is specificially meant to be used with small excavators or cranes and is available for 45 and 51 millimeter drill holes.

SplitStone splitting wedge patented also in the USA!

SplitStone has now received a patent in the USA in addition to Finland.