Bearing guided intumescent strip cutter for routing the groove for intumescent strip in a frame or door.
To suit 4mm thick strip of 20mm width.
Intumescent strip is used to create an effective barrier to both fire and smoke.
Choose alternative bearings to suit other thicknesses of intumescent strip.

Specification:
D=40 mm
C=20 mm
B=32 mm
E=4 mm
OL=72 mm
Shank Diameter=1/2 inch
Fire check=60 minutes