Metric fine thread MF Tolerance ISO 2 (6H) N° EH1257 / EH1258 x-tap Rm 850-1100 289 N° EH1260 / EH1261 x-tap Rm 850-1100 293 N° ET1240 / ET1241 Inotap Inox Stainless 297 N° ET1260 / ET1261 x-tap Inox Stainless 301 MF G UN EG fraisa.com 287