Drum & Hexagonal Bus Bar Insulator SM series SM25-76, P6-P12, SP04-SP24, SB35-65 different types, ... :16154(1615 for the products size, 4 for the nut M4, 5 for the M5, 6 for the M6, 8 for ... 50500 5050D60608 60600 6060D Drum & Hexagonal Bus Bar Insulator SM series