UNC Gauges | McMaster-Carr

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System of Measurement

Thread Size

Thread Type

Metric Trapezoidal

UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

Screw Size

Diameter

For Use With

Thread Fit

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Unified Standard Class 3B

Material

Stainless Steel

Thread Location

Height

Thickness

Width

Gauge Measurement Type

Drill Bit Size

Certificate Type

Accuracy Certificate Traceable to NIST

Calibration Certificate Traceable to NIST

Manufacturer

Gender

Number of Identifiers

Threads per Inch

Export Control Classification Number (ECCN)

Container Type

DFARS Specialty Metals

Thread Direction

REACH

Thread Pitch

RoHS

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378 Products

Measuring and Inspecting

Thread Size Identifiers

Thread Size Identifiers

Confirm your fastener's thread size, pitch, or threads per inch

Plug Gauges

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

Ring Gauges

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

Threaded Hole Location Gauges

Threaded Hole Location Gauges

Pinpoint the true center of threaded holes to precisely align and measure parts

Load Cells

Measure forces and send them to computers to monitor and trigger actions in machinery

Fluid Handling

Thermocouples

Measure and transmit liquid, gas, and surface temperature

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