Test gauges
The CIG test gauge from Hy-Lok is an installation aid for the production of screw fittings and serves to check the correct distances between fitting body and nut.
![[Translate to Englisch:] Prüflehre CIG](/fileadmin/_processed_/8/d/csm_CIG_0809325850.jpg "[Translate to Englisch:] Prüflehre CIG")
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Reliable screw fittings with Hy-Lok test gauges
We recommend the use of test gauges for the initial installation of Hy-Lok compression fittings. After initial installation, the test gauge can be used to check the distance between fitting body and nut to check whether the nut has been tightened by a sufficient number of turns.
| Article No. | Pipe diameter |
| CIG (= CIG46810M) | 6 mm (1/4"), 3/8", 12 mm (1/2") and 10 mm |
| CIG-14M15M16M10 | 14 mm, 15 mm, 16 mm and 5/8" |
| CIG-10 | 5/8" |
| CIG-16M | 16 mm |
| CIG-18M12 | 18 mm and 3/4" |
| CIG-20M22M14 | 20 mm, 22 mm and 7/8" |
| CIG-22M | 22 mm |
| CIG-25M16 | 25 mm and 1" |
Further sizes on demand