Martin 60H12H MST® H Bushed Solid Type 3 Split Single Roller Chain Sprocket With Recess Groove, 3/8 to 10-1/2 in Dia Bore, 3.249 in OD, 60 Chain, 12 Teeth, 3/4 in Pitch, Steel
Martin split taper sprocket is another style of bushed sprocket. The split taper bushing, when installed, offers a wide range of bore sizes.
Martin Split Single Roller Chain Sprocket, MST® H Bushed Solid Type 3, 3/8 to 10-1/2 in Bore Dia, 3.249 in Outside Dia, 60 Chain, 12 Teeth, 3/4 in Pitch, 2.898 in, 2-1/2 in Hub Dia, 1-1/4 in Length Through Bore, Type H Split Taper Bushing, Steel