These are sealing discs that seal threads and flange joints. The discs consist of a metallic ring and a rubber sealing pad bonded together. Available in metric and inch dimensions.
These are sealing discs that seal threads and flange joints. The discs consist of a metallic ring and a rubber sealing pad bonded together. Available in metric and inch dimensions.
Comment: assessing the future of Britain’s road network
It seems to me, as I drive around, that a significant proportion of potholes are not actually potholes at all, but sunken grids and manhole covers....