CMT 800.626.11 2-Piece Tongue & Groove Set, 1/2-Inch Shank

Features
Make tongue and groove joints without the complicated process of taking apart and reassembling bits. The new CMT Tongue and Groove set gives you one bit to groove the slot and a separate bit to mill the tongue. Or use your imagination and put them to work individually on other projects. Makes tongue and groove cuts in wood up to 3/4" thick. Sold as a Set. Slot cutter with arbor and bearing available separately, slot cutters.
CMT orange router bits have been rated the #1 overall router bits compared to other brands (Wood Magazine).  CMT orange router bits utilize the highest quality bar stock sourced from Switzerland.  Premium grade sinterhip hi-density industrial chrome carbide helps prevent material failure and increase cutting life.  And finallly, a non-stick orange shield coating prevents heat buildup and corrosion providing for longer router bit life.