55° unsealed pipe thread ring gauges G

The 55° unsealed pipe thread ring gauges are for comprehensive Inspection of unsealed pipe outter thread that produced according to ISO standard. Specification Accuracy Thread Qty/inch P ≥d d2 d2 deviation d1 d1 deviation B D G1/16 Go A 28 0.907 7.723 7.132 0.016 6.695 0.016 8 32 0 0 G1/16 NoGo A 28 0.907 7.733 7.019 0.016 6.83 0.032 5 32 0 0 G1/8 Go A 28 0.907 9.728 9.137 0.016 8.848 0.016 8 32 0 0 G1/8 NoGo A 28 0.907 9.738 9.024 0.016 8.835 0.032 5 32 0 0 G1/4 Go A 19 1.337 13.157 12.291 0.016 11.643 0.016 12 38 0 0 G1/4 NoGo A 19 1.337 13.167 12.16 0.016 11.885 0.032 8 38 0 0 G3/8 Go A 19 1.337 16.662 15.796 0.016 15.148 0.02 12 45 0 0 G3/8 NoGo A 19 1.337 16.672 15.665 0.016 15.39 0.032 8 45 0 0 G1/2 Go A 14 1.814 20.955 19.774 0.02 18.899 0.02 16 45 0 0 G1/2 NoGo A 14 1.814 20.967 19.631 0.02 19.258 0.04 12 45 0 0 G5/8 Go A 14 1.814 22.911 21.73 0.02 20.855 0.02 16 53 0 0 G5/8 NoGo A 14 1.814 22.923 21.587 0.02 21.214 0.04 12 53