Roker Ø 115 x 50 mm M14

WORKABLE MATERIALS: Marble / Limestone

Roker ø115x50 is a tool with a diameter of 115mm and a width of 50mm. It can produce scratched antiskids steps 2,5mm, 5mm and multiples, on marble and limestone. Roker has removable inserts in order to vary their position and quantity. In this way it is possible to adjust type and width of the finish. It is a tool specific for Birba machine.

Achievable finishes:

Scratched antiskid step 5mm
Scratched antiskid step 2,5mm

Rotation speed:

Max 3.000 RPM

Tool diameter:

ø 115x50 mm



Width of antiskid:

5 cm


Screw the Roker Ø115x50 onto Birba's threaded shaft and| once the rail assembly has been adjusted according to the parameters in the instruction booklet| work it laid on the step performing longitudinal passes. M14 or 5/8" attachments are available| depending on the Birba's shaft on which it is mounted.


The square insert offers the possibility of multiplying the life of the tool by using the 4 vertices of the square and rotating the remaining 4. With a single tool it is possible to carry out different types of scratches: step 2|5| 5 and 10mm.

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