--- --- APWORKSHOP.COM.AU ECONOCUT RANGE CORE BOX 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 416 ECONOCUT CORE BOX 1/2 1/4 12.7 1/2 9.5 3/8 40 1.58 9.90 EY 420 ECONOCUT CORE BOX 5/8 1/4 15.8 5/8 12.7 1/2 45 1.77 10.30 EY 424 ECONOCUT CORE BOX 3/4 1/4 19 3/4 12.7 1/2 47 1.85 11.30 EY 416 1/2 ECONOCUT CORE BOX 1/2 1/2 12.7 1/2 9.5 3/8 54 2.13 10.30 EY 420 1/2 ECONOCUT CORE BOX 5/8 1/2 15.8 5/8 12.7 1/2 54 2.13 10.90 EY 424 1/2 ECONOCUT CORE BOX 3/4 1/2 19 3/4 12.7 1/2 57.1 2-1/4 12.00 ![]()
AUSTRALIA ![]()
![]()
![]()
![]()
![]()
![]()
Router Bits
from

![]()

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