-
Mafotokozedwe Okhazikika a ASTM A193 A193M a Aloyi-Chitsulo ndi Kubowoleza Kwachitsulo Chosapanga dzimbiri kwa Kutentha Kwambiri kapena Kuthamanga Kwambiri ndi Zolinga Zina Zapadera - Mafotokozedwe Okhazikika a ASTM A320 A320M a Aloyi-Chitsulo ndi Bolting wachitsulo chosapanga dzimbiri pa Service Low Temperature
- Mafotokozedwe Okhazikika a ASTM A325M-09 a Bolts Structural Bolts, Zitsulo, Kutentha Kwambiri 830 MPa Mphamvu Zochepa Zochepa
- Mafotokozedwe Okhazikika a ASTM A563M a Carbon ndi Alloy Steel Nuts (Metric)
