Thread Plug Gauges | McMaster-Carr

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609 Products

Threaded Plug Gauges for Internal Threads

Go/No-Go Threaded Plug Gauges with Handle

Speed up thread tolerance checks—the handle on these gauges gives you a good grip to quickly thread and unthread go or no-go gauges.

Acme Threaded Plug Gauges with Handle

Determine if lead nuts, screw collars, and other parts with internal Acme threads are within tolerance. These gauges are attached to a handle to help you quickly thread or unthread them.

Go/No-Go Left-Hand Threaded
Plug Gauges with Handle

A go and no-go gauge in one, these gauges check that left-hand threads fall within tolerance.

Go/No-Go Helical Insert Threaded
Plug Gauges with Handle

Check that holes tapped for helical threads are within tolerance. To speed up tests, these gauges have a go gauge on one end and a no-go gauge on the other.

Threaded Plug Gauges with
Handle for Pipe Threads

Verify whether pipe fitting threads fall within tolerance. These gauges are attached to a handle, giving you a solid gripping point to thread and unthread them quickly.

Threaded Plug Gauge Handles

Speed up checking thread tolerances by threading a go gauge on one end of these handles and a no-go gauge on the other.

Threaded Plug Gauges

Test if internal threads fall within tolerance.

Battery-Powered Pistol-Grip
Drivers for Threaded Plug Gauges

Test thread tolerance in seconds. A time-saver for high-volume work, these drivers quickly thread gauges in and out of holes for you—just pull the trigger.

Threaded Ring Gauges for Pipe Threads with Calibration Certificate

Threaded Ring Gauges for Pipe
Threads with Calibration Certificate

These gauges come with a certificate that’s traceable to NIST, confirming they were calibrated in a lab. Use them to verify whether external pipe threads are within tolerance.

Threaded Plug Gauges for Internal Threads

Go/No-Go Threaded Plug Gauges with Handle

Acme Threaded Plug Gauges with Handle

Go/No-Go Left-Hand ThreadedPlug Gauges with Handle

Go/No-Go Helical Insert ThreadedPlug Gauges with Handle

Threaded Plug Gauges withHandle for Pipe Threads