--- --- APWORKSHOP.COM.AU ECONOCUT RANGE CHAMFER 45º Econocut is an imported range of router bits selected by Carb-I-Tool, providing good value for craft and hobbyist applications. Part # Description A mm A inch B mm B inch C mm C inch EY 916 B ECONOCUT CHAMFER 45º W/BRG 1/4 32 1-1/4 15 19/32 55 2.17 EY B3 13.20 EY 916 B 1/2 ECONOCUT CHAMFER 45º W/BRG 1/2 32 1-1/4 15 19/32 66.7 2-5/8 EY B3 14.70 ![]()
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Router Bits
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CARBIDE TIPPED
TWO FLUTES
1/4 inch (6.35 mm) and 1/2 inch (12.7 mm) Shank 
M= Metric Size, B = Bearing, 1/2 = 1/2 inch (12.7 mm) Shank - otherwise bits have 1/4 inch (6.35 mm) shank.
In diagrams, A= Cutting Width, B= Flute Length, C= Overall Length (includes bearing and screw), R = Radius of Cut, ID= Inside Diameter