... -800CuPb10Sn10HB(60-90)The strongest material type, wide application scope.JF-750CuPb24Sn1HB(45-70)Link ArmJF-720CuPb24Sn4HB(45-70)Link Arm ... -1Wall Thickness of The Machinable and Non-machinable Bore of JF-800 Bushes and Their Tolerances Norminal ThiicknessTolerances of Series B ...