UNEF Gauges | McMaster-Carr

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System of Measurement

Thread Size

Thread Type

Metric Trapezoidal

UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

Thread Fit

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Unified Standard Class 3B

Gauge Measurement Type

Certificate Type

Accuracy Certificate Traceable to NIST

Calibration Certificate Traceable to NIST

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Material

Thread Direction

Hardness

Size-Checking Gauge Class

Finish

Stem Length

Display Type

Pipe Size

Thermometer Type

Maximum Temperature

Less than 500° F

Less than 250° C

Hole Diameter

Adjustability

Measurement Unit

Scale Height

Height

Mount Type

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115 Products

Measuring and Inspecting

Ring Gauges

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

Plug Gauges

Verify the diameter or threads of machined holes in finished parts; also called pin gauges

Humidity-Indicating Plugs

Humidity-Indicating Plugs

Monitor humidity in sealed containers without opening them, protecting the inside from contamination

Thermometers

Monitor temperature in tanks, pipes, control panels, and other equipment

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