Code | external diameter tube | fillet steak | internal hole fitting | |
inches | mm | SAE | mm | |
STRS-4-4U | 1/4" | 6.35 | 7/16"-20 | 4.82 |
STRS-6-6U | 3/8" | 9.52 | 9/16"-18 | 7.11 |
STRS-8-8U | 1/2" | 12.70 | 3/4"-16 | 10.41 |
STRS-12-12U | 3/4" | 19.05 | 1"1/16-12 | 15.74 |
STRS-16-16U | 1" | 25.40 | 1"5/16-12 | 10.35pm |
STRS-20-20U | 1"1/4 | 31.75 | 1"5/8-12 | 27.68 |
STRS-24-24U | 1"1/2 | 38.10 | 1"7/8-12 | 34.03 |
STRS-32-32U | 2" | 50.80 | 2"1/2-12 | 45.97 |