Thread Checkers | McMaster-Carr

Filter by

Thread Size

System of Measurement

Thread Type

Metric Trapezoidal

For Use With

Grease Fittings

Thread Location

Material

Stainless Steel

Screw Size

Height

Thickness

Width

Thread Pitch

Number of Identifiers

Container Type

Gender

Manufacturer

Color

Pipe Size

Diameter

Thread Fit

Metric Class 6g

Metric Class 6H

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Unified Standard Class 3B

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

RoHS

Pitch

Certificate Type

Accuracy Certificate Traceable to NIST

Calibration Certificate Traceable to NIST

Drill Bit Size

How can we improve?

1,435 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

Ring Gauge Holders

Ring Gauge Holders

Keep ring gauges still to measure cylindrical parts or threads quickly and repeatedly

Outside Micrometers

Outside Micrometers

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

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