--- --- APWORKSHOP.COM.AU Router Bits EDGE FORMING BITS STAIR HANDRAIL Produces an attractive and functional hand rail for balustrades. It can be used in conjunction with the half bullnose bit to curve the top over (illustrated below). An alternative hand rail profile is THR 60 B 1/2. Part # Description A inch A mm B inch B mm C inch C mm A$ THR 50 B 1/2 STAIR HANDRAIL BIT 2 50.8 2-1/4 57.1 4-1/2 116 99.10 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 inch, 3/8 inch, 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. ![]()
AUSTRALIA ![]()
![]()
![]()
![]()
![]()
![]()
by

50 ![]()

CARBIDE TIPPED
TWO FLUTES WITH BALL BEARING GUIDE TB 8
1/2 inch (12.7 mm) Shank 
