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Steel Reducing Bushings used with threaded rigid or imc conduit to reduce the size of female hubs in order to accommodate smaller size conduit or male threaded hubs.

CAT# TRADE SIZE DIM A DIM B
RB0 1/2″ X 3/8″ 0.638 0.908
RB1 3/4″ X 1/2″ 0.650 0.930
RB2 1″ X 1/2″ 0.715 1.125
RB3 1″ X 3/4″ 0.715 1.125
RB4 1-1/4″ X 1/2″ 0.820 1.470
RB5 1-1/4″ X 3/4″ 0.820 1.470
RB6 1-1/4″ X 1″ 0.810 1.470
RB7 1-1/2″ X 1/2″ 0.850 1.700
RB8 1-1/2″ X 3/4″ 0.850 1.700
RB9 1-1/2″ X 1″ 0.850 1.700
RB10 1-1/2″ X 1-1/4″ 0.850 1.700
RB11 2″ X 1/2″ 0.970 2.230
RB12 2″ X 3/4″ 0.970 2.230
RB13 2″ X 1″ 0.970 2.230
RB14 2″ X 1-1/4″ 0.970 2.230
RB15 2″ X 1-1/2″ 0.970 2.230

Malleable Reducing Bushings used with threaded rigid or imc conduit to reduce the size of female hubs in order to accommodate smaller size conduit or male threaded hubs.

CAT# TRADE SIZE DIM A DIM B DIM C
RB16 2-1/2″ X 1/2″ 1.070 0.430 1.340
RB17 2-1/2″ X 3/4″ 1.070 0.500 1.630
RB18 2-1/2″ X 1 1.070 0.580 1.950
RB19 2-1/2″ X 1-1/4″ 1.070 0.670 2.390
RB20 2-1/2″ X 1-1/2″ 1.070 0.700 2.680
RB21 2-1/2″ X 2 1.200 0.750 3.485
RB22 3″ X 1/2″ 1.130 0.430 1.340
RB23 3″ X 3/4″ 1.130 0.500 1.630
RB24 3″ X 1″ 1.785 0.500 4.075
RB25 3″ X 1-1/4″ 2.100 0.410 3.445
RB26 3″ X 1-1/2″ 2.020 0.440 3.460
RB27 3″ X 2″ 2.000 0.400 3.380
RB28 3″ X 2-1/2″ 1.390 0.375 4.395
RB29 3-1/2″ X 1/2″ 1.180 0.430 1.950
RB30 3-1/2″ X 3/4″ 1.180 0.500 1.950
RB32 3-1/2″ X 1-1/4″ 1.180 0.670 2.390
RB33 3-1/2″ X 1-1/2″ 1.180 0.700 3.280
RB34 3-1/2″ X 2″ 1.180 0.750 3.280
RB35 3-1/2″ X 2-1/2″ 1.180 0.920 3.860
RB36 3-1/2″ X 3″ 1.180 0.980 4.920
RB37 4″ X 1/2″ 1.220 0.500 1.950
RB38 4″ X 3/4″ 1.220 0.560 1.950
RB39 4″ X 1″ 1.220 0.580 1.950
RB40 4″ X 1-1/4″ 1.220 0.670 2.350
RB41 4″ X 1-1/2″ 1.220 0.700 2.680
RB42 4″ X 2″ 1.220 0.750 2.680
RB43 4″ X 2-1/2″ 1.220 0.920 3.200
RB44 4″ X 3″ 1.775 0.980 4.625
RB45 4″ X 3-1/2″ 1.400 1.030 5.200
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