--- --- APWORKSHOP.COM.AU ECONOCUT RANGE REPLACEMENT Econocut is an imported range of router bits selected by Carb-I-Tool, providing good value for craft and hobbyist applications. Part # Description External Dia External Dia Thickness Thickness Internal Dia Internal Dia EY B1 ECONOCUT BEARING 16 5/8 5 3/16 5 0.197 3.40 EY B2 ECONOCUT BEARING 9.5 3/8 3.2 1/8 4.8 3/16 3.40 EY B3 ECONOCUT BEARING 9.5 3/8 4 5/32 3.2 1/8 3.40 EY B4 ECONOCUT BEARING 12.7 1/2 4.8 3/16 4.8 3/16 3.40 ![]()
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Router Bits
from

BALL BEARINGS ![]()


A mm
A inch
B mm
B inch
ID mm
ID inch
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