Plugs In regular sale we have plugs for standard pipes available in our warehouse. On request, we make plugs according to customer requirements. Types: Round (solid or with hole, rounded or flat) Square (solid or with hole) Sizes:: round: from 12mm to 139mm (other sizes on request) square: from 15x15mm to 80x80mm (other sizes on request) Sheet: AISI 304 EN 1.4301 The grade you are interested in is missing here? Write to us! Contact Category: Welded fittings