Inspection Pins | McMaster-Carr

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System of Measurement

Plug Gauge Size

0.0060" to 0.0600"

Size-Checking Gauge Class

Gauge Measurement Type

Length

Certificate Type

Accuracy Certificate Traceable to NIST

Calibration Certificate Traceable to NIST

Surface Smoothness, RMS

Material

Increment

RoHS

Compliant with Exemptions

Hardness

REACH

Specifications Met

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Thread Size

Finish

Overall Length

Thread Type

Container Type

Thread Fit

Metric Class 6H

Unified Standard Class 2B

Unified Standard Class 3B

Number of Pieces

Pitch

End Color

Performance

Wear Indicating

Handle Length

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1,041 Products

Plug Gauges

Class Z Plug Gauges

Class Z Plug Gauges

Check hole diameters to a tolerance of 0.0001" or 0.0025 mm

Class X Plug Gauges

Class X Plug Gauges

Check hole diameters to a tolerance of 0.00004" or 0.001 mm

Wear-Indicating Plug Gauges

Wear-Indicating Plug Gauges

Show wear patterns so you can tell when you need to calibrate or replace

Plug Gauges with Handle

Plug Gauges with Handle

Take go and no-go measurements with a single tool

Plug Gauge Sets

Plug Gauge Sets

Keep multiple sizes of plug gauges on hand

Go/No-Go Hex Plug Gauges with Handle

Go/No-Go Hex Plug Gauges with Handle

Confirm hex drives on socket head screws are within tolerance

Ball-End Plug Gauges with Handle

Ball-End Plug Gauges with Handle

The thin stem flexes to check holes and cavities even if they are bent or curved

Target-Size Plug Gauge Sets

Target-Size Plug Gauge Sets

A range of sizes to check hole size and location and set micrometers

Go/No-Go Threaded Plug Gauges with Handle

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

Threaded Plug Gauges

Threaded Plug Gauges

Test if internal threads fall within tolerance

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

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

Check that left-hand threads fall within tolerance

Threaded Plug Gauges with Handle for Pipe Threads

Threaded Plug Gauges with Handle for Pipe Threads

Verify whether pipe fitting threads fall within tolerance

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

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

Check that holes tapped for helical threads are within tolerance

Acme Threaded Plug Gauges with Handle

Acme Threaded Plug Gauges with Handle

Determine if parts with internal Acme threads are within tolerance

Other Products

Plug Gauge Handles

Plug Gauge Handles

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

Plug Gauge Drivers

Plug Gauge Drivers

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

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)