--- --- APWorkshop.com.au Router Bits JOINTING BITS TONGUE AND One bit cuts both the tongue profile and the groove profile with bevel: The complete assembly cuts the groove. To cut the tongue, remove the slot cutter and add the spacer supplied. Part # Description A inch A mm B inch B mm C inch C mm T-min inch T-min mm T-max inch T-max mm A$ TTG 10 1/2 TONGUE + GROOVE BIT FOR WALL PANEL 1/2 1-5/8 41.3 1 25.4 3-1/8 79.4 15/32 12.0 13/16 20.6 192.40 TTGR 10 STRAIGHT CUTTER 1-1/8 28.6 0.413 10.5 70.00 TTGS 10 SLOT CUTTER 1-5/8 41.3 0.157 4 35.00 TTGC 10 BEVEL CUTTER 1-5/8 41.3 27/64 10.8 70.00 TTGW 10 SPACER 3.90 M= Metric Size, H= High Speed Steel, T= Carbide Tipped or Solid Carbide, A= Carbide Tipped on Nose (Pilot Panel Bits) B= Ball Bearing Guide, E/C = End Cutting, S = Single Flute, X= Long series bits not warrantied against breakage, XX= Extra long series bits not warrantied against breakage. Where bits are available in various arbor/shank diameters, suffix indicates: 5/16, 3/8, 1/2 inch, 10 mm (otherwise 1/4 inch). In diagrams, A= Cutting Width, B= Flute Length, C= Overall Length (includes bearing and screw), R, R1 or R2 = Radius of Cut, E= Pilot or Bearing Width, G= Depth of Cut, Bevel = Bevel, ID= Inside Diameter, T= Wood Thickness. ![]()
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GROOVE BITS
FOR WALL PANEL ![]()

CARBIDE TIPPED, TWO FLUTES
Shank: 1/2 inch 
Minimum and maximum panel thickness is shown as T-min and T-max.