Thread Guides | McMaster-Carr

Filter by

Thread Type

Metric Trapezoidal

System of Measurement

Thread Size

Material

Stainless Steel

For Use With

Grease Fittings

Thread Location

Pipe Size

Thread Fit

Metric Class 6g

Metric Class 6H

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Unified Standard Class 3B

Thread Pitch

Screw Size

Export Control Classification Number (ECCN)

Gauge Measurement Type

REACH

RoHS

Gender

DFARS Specialty Metals

Certificate Type

Accuracy Certificate Traceable to NIST

Calibration Certificate Traceable to NIST

Threads per Inch

Number of Identifiers

Manufacturer

Container Type

Pitch

Thread Direction

Color

Size-Checking Gauge Class

Height

How can we improve?

1,450 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

Plug Gauge Drivers

Plug Gauge Drivers

Test thread tolerance in seconds to save time during high-volume work

Plug Gauge Handles

Plug Gauge Handles

Add both a go gauge and a no-go gauge to create a custom tool for checking hole diameters

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

Drill Bit Size Gauges

Drill Bit Size Gauges

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

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.)