Go/No-Go Pins | McMaster-Carr

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Gauge Measurement Type

No-Go

System of Measurement

Plug Gauge Size

Size-Checking Gauge Class

Length

Increment

Certificate Type

Accuracy Certificate Traceable to NIST

Calibration Certificate Traceable to NIST

Finish

Black Oxide

Chrome Plated

Material

Tool Steel

Surface Smoothness, RMS

Thread Size

Container Type

Hardness

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

RoHS

Specifications Met

REACH

Pitch

Number of Pieces

Export Control Classification Number (ECCN)

Thread Type

End Color

Thread Fit

Unified Standard Class 2B

Unified Standard Class 3B

DFARS Specialty Metals

Color

Performance

934 Products

Plug Gauges

Class Z Plug Gauges

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

32 products

Class X Plug Gauges

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

40 products

Wear-Indicating Plug Gauges

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

8 products

Plug Gauges with Handle

Take go and no-go measurements with a single tool

35 products

Plug Gauge Sets

Keep multiple sizes of plug gauges on hand

200 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

Threaded Plug Gauges

Test if internal threads fall within tolerance

140 products

Target-Size Plug Gauge Sets

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

65 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

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

Check that holes tapped for helical threads are within tolerance

32 products

Threaded Plug Gauges with Handle for Pipe Threads

Verify whether pipe fitting threads fall within tolerance

19 products

Other Products

Ring Gauges

Confirm your workpiece's outer diameter or external threads are within tolerance

14 products