Trend TR20DX1/4TC Two flute 20mm dia x 20mm cut For housing, grooving and mortisingGives a clean finish to abrasive materials such as chipboard, MDF, plywood and certain hardwoods.For housing, grooving and mortising.Features 2mm micrograin Tungsten Carbide tips, for cutting the most abrasive materials to give extra long life.PTFE coated, indicated by distinctive black colouring.Can be used on hardwood & softwood, fibreboard, plywood and particle board.Etched dimensions on extra long 40mm shanks.Specification-D1=20 mmC=20 mmOverall lng.=59 mmShank Diameter=1/4