Screw seals ND15 are made of PP and are supplied without or with fitted septa made of a variety of materials. They have a 15-425 thread, a 9 mm centre hole or are closed.
Screw seals ND18 are made of PP and are supplied with or without fitted septa made of a variety of materials. They have a 18-400 thread, a 12 mm centre hole or are closed.
These ND18 screw caps with 18-400 thread are not compatible with ND18 precision thread vials !
Suitable septa with a diameter of 16 mm (only for ND18 screw caps) made of different materials are available on request.
ND15 seals are suitable for items 7.616 898, 7.618 935, 7.616 655 and 7.618 936.
ND18 seals are suitable for items 7.616 899 and 7.616 139.
|Screw cap||ND15||1000||7644004||Open webshop|
|Screw cap, closed||ND15||1000||7647537||Open webshop|
|Screw cap, closed||ND18||1000||7671846||Open webshop|