Pin & Plug Suppliers
Preferred fixed-limit gauge makers for hole inspection.
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| Supplier | Role / Tier | Classes | Size range | Direction | Increment | Buy via |
|---|---|---|---|---|---|---|
| Deltronic | Tier 2 — precision | X only | .0040″–1.0120″ | Plus only | .0001″ / .0025 mm dual-grid | Direct · MSC |
| SPI (MSC house brand) | Tier 1 — default | ZZ | .0110″–2.000″ | Minus | .001″ | MSC (overnight) |
| Meyer Gage | Maker | XX, X, Y, Z, ZZ | Pins .0050″–1.0150″; plugs to ~1.135″ | Plus / Minus / Bilateral | Stock .0005″; custom .0001″ | quotes@meyergage.com |
| Vermont Gage | Tier 3 candidate — custom | Std ZZ & X; custom XX–ZZ | ZZ sets .0110″–1.0000″; custom larger | Go(+)/NoGo(−)/Bilateral | Sets .001″; indiv .0001″ | sales@vermontgage.com |
| Glastonbury Southern Gage | Maker — range champion | XXX, XX, X, Y, Z, ZZ | .015″–12.010″+ | OD +GO / −NoGo | Made-to-nominal | sales@gsgage.com |
Variable-bore makers (Dyer, DIATEST) are not fixed-limit suppliers — see Variable Bore Gauging.
— placeholder — Product lines, part numbers, lead times and pricing per supplier will render here from the product database.