Trend Bearing Guided Intumescent Recess Router Cutter 40mm 20mm 1/2"

Bearing guided intumescent strip cutter for routing the groove for intumescent strip in a frame or door. A range of sizes available to suit 4mm thick strip from 10mm to 25mm 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. Specifications • Shank Diameter: 1/2 • Dia Metric: 40 • Cut Length Metric: 20 • Overall Length Metric: 70 • Bearing Dia Metric: 32 • Rebate Metric: 4 • Type or Grade: 20mm strip