This standard specifies the dimensions, materials and other details for plug screws and flat sealing rings used in welded-in screw caps for filling and sounding pipes according to DIN 86111.#,,#
DIN 86129:1986 history
2018DIN 86129:2018-03 Plug screws and flat sealing rings for welded-in screw caps for filling and sounding pipes
2018DIN 86129:2018 Plug screws and flat sealing rings for welded-in screw caps for filling and sounding pipes
1986DIN 86129:1986 Plug screws and flat sealing rings for welded-in screw caps for filling and sounding pipes