Home » Tender for Supply Of A Set Of Nylon Pa6 Bushes For Use In Icf Wheelset Pressing. The Set Includes Bushes Of Varying Outer Diameters: 175 Mm, 176 Mm, 177 Mm, And 178 Mm. Material Test Certificates From An Approved Laboratory Are Required. Nylon Pa6 Bush, 175 Mm O.d.,, India