See below for NB to mm conversion. 15% restocking fee applies to this range. Need help? Contact us.
Restocking Fee - Please ensure you select the correct item and size as there is a 15% restocking fee on all exchanges and returns on the fence and gate fittings range. If you need help with sizing please chat with our friendly team.
PIPE SIZE CONVERTER
| PIPE SIZE Nominal Bore | Internal Diameter | External Diameter | |
| 15NB | 1/2" | 21.3 mm | 27/32" |
| 20NB | 3/4" | 26.9 mm | 1 1/16" |
| 25NB | 1" | 33.7mm | 1 11/32" |
| 32NB | 1 1/4" | 42.4mm | 1 11/16" |
| 40NB | 1 1/2" | 48.3mm | 1 29/32" |
| 50NB | 2" | 60.3mm | 2 3/8" |
| 65NB | 2 1/2" | 76.1 mm | 3" |
| 80NB | 3" | 88.9mm | 3 1/2" |
| 90NB | 3 1/2" | 101.6mm | 4" |
| 100NB | 4" | 114.3mm | 4 1/2" |
| 125NB | 5" | 139.7mm | 5 1/2" |
| 150NB | 6" | 165.1mm | 6 1/2" |
From
$27.56 AUD
From
$2.77 AUD
From
$3.52 AUD
From
$18.68 AUD
From
$16.70 AUD
From
$18.68 AUD
$15.44 AUD
From
$5.50 AUD
From