Bioff Flme Resist Ntce Brd Blu Pk1 Drill Bits The filter is automatically cleaned

The filter is automatically cleaned every 30 seconds reducing filter clogging and delivering a constant air flow

The three spurs and cutting edges create perfectly round holes with less chance of binding in the workpiece

stone (medium hardness)

Chrome vanadium steel hardened

Bioff Flme Resist Ntce Brd Blu Pk1 Drill Bits The filter is automatically cleanedTested according to EN13501, the Bi Office Fire Retardant Notice Board is independently verified. With a reliable blue fabric construction, this notice board is suited to use with push pins, ensuring that attaching papers is not difficult. The stylish aluminium frame provides stability that allows for the board to be hung without having to worry about deterioration.