Single Square Box Cutter SDS-plus

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For use with Faithfull tungsten carbide tipped round cutter to form recesses for electrical back boxes.

Size: 77 x 77mm


Faithfull Electrical Back Box Cutters are a labour and time saving system designed to cut sockets in blockwork and brick walls for the siting of electrical back boxes. Used in conjunction with lightweight 2kg SDS fixing hammers with a rotation stop function.

The system requires the use of a FAISDSBOXCUT circular cutter and either a FAISDSBOXSML* or FAISDSBOXLRG* depending on the box size to be cut.

* Only recommended for use in blockwork and soft brick, when cutting into hard brickwork use the SDS chisel provided with FAISDSBOXCUT to clean out remaining brickwork.

Cutting A Square Back Box Hole (single socket)

Make a centre mark at the point where the box is to be set.
Use the 8mm SDS drill bit as supplied with the circular cutter to drill a pilot hole at this point. The bit is then removed and the circular 77mm cutter fitted into the drill, insert the guide rod into the pilot hole. Engage the rotary and hammer action and cut a 77mm hole to the required depth.

The circular cutter should then be removed and the box cutter fitted into the drill. Insert the guide rod of the box cutter into the pilot hole and aligned the box at 90 degrees to the wall, with the rotary action disengaged hammer out a square hole to the required depth. The supplied SDS chisel can be used to clean out any remaining material and clean up the hole if necessary.


The FAISDSBOXCUT circular cutter should be used with the ROTARY HAMMER ACTION engaged. The FAISDSBOXSML and FAISDSBOXLRG cutter boxes should be used with HAMMER ACTION ONLY/rotation stop engaged. These products are only suitable for small 2kg SDS-plus machines with a ‘Roto Stop’ feature (not suitable for 5kg machines).

NB. The SDS machine must have a “roto stop” function for use with these chisels. This switches off the rotary action to leave just a hammer facility allowing the drill to be used as a breaker or demolition hammer with a suitable chisel bit.


Code Description Shank Size List Price
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FAISDSBOXSML Single Square Box Cutter SDS-plus 77 x 77mm £33.04£39.65 Toolbank

Faithfull Tools are available from over 12,000 stockists in the UK.

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