Drum threads information​

Photo PhotoPhoto

Name:S56 x 4 Name:S64 x 5 Name:S70 x 6
D1:56mm (2.3") D1: 62,5mm (2.0") D1:65mm (2.6")
P1:4mm (0.16") P1:5mm (0.20") P1:6mm (0.24")

Photo Photo

Name:2 Inch BSP Name:2 Inch NPS
D1:56.66mm (2.23") D1:56.56mm (2.23")
P1:2.31mm (0.09") P1:2.21mm (0.09")