Trend C223x1/2tc Intumescent Cutter Set 15mm X 40mm

For either frame or door applications, with standard IntumescentStrip. Neatly cuts grooves on doors or frames to accept IntumescentStrip which enables the formation of effective barriers to bothfire and smoke. By using alternative ball bearings diameters otherseal thicknesses can be introduced. Alternative bearings can bepurchased to suit other thicknesses.
For 4.0mm thick and 20.0mm width intumescent strip.
D=40 mm
C=20 mm
B=32 mm
E=4 mm
Shank Diameter=1/2 inch
Fire check=60 minutes