The 'Porter-Cable 43551PC is a Classical Rail 3/8 inches Tongue Router Bit. It is constructed of 4140 alloy steel, a harder grade of steel than standard cast steel bit bodies. The is annealed and heat treated to Rockwell hardness of 40-45% harder than is possible with cast steel bodies. The bits are precisely ground using computer controlled machining for precision tolerances and perfectly concentric shafts. The carbide tip is made from a specially blended micro grain carbide for superior results and longer lasting sharpness.
Beading rail profile for rail and stile doorsFor use with Porter-Cable 43550 stile bitChip limiting design for more control and safer cutting1/2 inches shankCarbide-tipped for long lasting sharpness and durability
Classical Rail 3/8 inches Tongue Router Bit