Pin & Plug — Fixed-Limit Gauging
Go/no-go inspection of holes with cylindrical pin and plug gauges.
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Suppliers
Preferred fixed-limit makers, tiers, and how to buy.
Coverage Table
Which maker covers which size × class, and how members are selected.
Classes & Tolerance
ASME B89.1.5 gagemaker classes and the tolerance you surrender.
Custom GO/NO-GO Builder
Enter a hole spec → get the go/no-go pair. form
Request a Quote
Supplier addresses and a ready-to-send RFQ email.