3M 26104, PPS Series 2.0 Adapter, Type S20, 1/8 Male, 27 Thread NPSM, 7100135929 
Insize 4120-8N, METRIC THREAD RING GAGE, NO GO, M8x1.25, 6928640341748
$55.47
Go and No-Go gages are supplied separately.
Class 6g.
Standard ISO1502.
Supplied with manufacturer inspection certificate.
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