Aumai au mea fa'apipi'i fa'atasi ma le BSP male 60° nofoa / SAE O-mama pule L-series ISO 11926-3 tee lala.Faia i le uʻamea maualuga maualuga poʻo le carbon steel i ituaiga tino eseese (saʻo, tulilima, 45 °, 90 °) ma filo filo (Metric, NPT, JIS, ma isi).