Double-End Pin Gauges | McMaster-Carr

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Plug Gauge Size

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Acme Class 2G

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Accuracy Certificate Traceable to NIST

Calibration Certificate Traceable to NIST

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Size-Checking Gauge Class

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Surface Smoothness, RMS

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For Plug Gauge Thread Diameter

Battery Charger Voltage

435 Products

Plug Gauges

Plug Gauges with Handle

Take go and no-go measurements with a single tool

35 products

Go/No-Go Hex Plug Gauges with Handle

Confirm hex drives on socket head screws are within tolerance

37 products

Go/No-Go Threaded Plug Gauges with Handle

The handle gives you a good grip to quickly thread and unthread go and no-go gauges

234 products

Go/No-Go Helical Insert Threaded Plug Gauges with Handle

Check that holes tapped for helical threads are within tolerance

32 products

Go/No-Go Left-Hand Threaded Plug Gauges with Handle

Check that left-hand threads fall within tolerance

58 products

Acme Threaded Plug Gauges with Handle

Determine if parts with internal Acme threads are within tolerance

20 products

Other Products

Plug Gauge Handles

Add both a go gauge and a no-go gauge to create a custom tool for checking hole diameters

12 products

Plug Gauge Drivers

Test thread tolerance in seconds to save time during high-volume work

7 products