Tender For supply of thread ring gauge go-m1.6x0.35 , thread ring gauge nogo-m1.6x0.35 , thread ring gauge go-m2.5x0.45 , thread ring gauge nogo-m2.5x0.45 , thread ring gauge go-m5x0.8 , thread ring gauge nogo-m5x0.8 , ring gauge go dia 30.0 f8 , ring gauge no go dia 30.0 f8 , thread ring gauge go 1.50-12 unf -3a , thread ring gauge no go1.50-12 unf -3a , thread ring gaugeunc go type 8-32 , thread ring gauge unc nogo type 8-32