Inch Thread Gauges | McMaster-Carr

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Thread Type

Thread Size

System of Measurement

For Use With

Grease Fittings

Thread Location

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Stainless Steel

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Number of Identifiers

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Height

Width

Thickness

Container Type

Thread Fit

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Unified Standard Class 3B

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Threads per Inch

Drill Bit Size

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

RoHS

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819 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

Drill Bit Size Gauges

Drill Bit Size Gauges

Match your drill bit to one of the holes to confirm its size

Calipers

Take inside, outside, and depth measurements with more precision than a ruler

Outside Micrometers

Outside Micrometers

Apply even pressure to objects to measure thickness more precisely than thickness gauges

Gear Tooth Gauges

Gear Tooth Gauges

Identify your gear's pressure angle, pitch, and module

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