ABS fitting - ABS 1.5" Hex Nipple - The hex nipple has a male plain spigot which can be glued into a Plain socket/socket union, the other end has a male 1.5" thread.
1.5" pipe is approx
Internal diameter: 42mm
External diameter: 48mm
1.5" fittings
Internal diameter: 48mm
External diameter: 59mm
All joints should be made using a solvent weld adhesive, see related product below.