BSPT Gauges | McMaster-Carr

Filter by

Connection Location

Bottom

Center Back

System of Measurement

Pipe Size

Thread Type

UN/UNF (SAE Straight)

Pressure Numeric Increments

For Use With

Graduations

Dial Diameter

Scale Type

Measurement Unit

Pounds per Square Inch

Maximum Pressure

Less than 1,000 psi

1,000 psi to 1,999.9 psi

Dial Type

Gender

Measures

Display Type

Fitting Connection

Minimum Pressure

Maximum Environment Temperature

Case Material

RoHS

Compliant with Exemptions

Material

Thread Size

Connects To

REACH

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

147 Products

Control of Liquids, Gases, and Solids

Pressure Gauges

These are the most commonly used pressure gauges. Use them with pumps, filters, regulators, and in process lines to measure and display pressure.

Miniature Pressure Gauges

The small dial on these gauges allows for installation in tight spaces.

Pipe Size Measuring Kits

Kits contain pipe fittings in a variety of sizes so you can determine the size of a pipe or fitting without measuring.

Dimensional Measuring and Size Checking

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 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 Ring Gauges for Pipe Threads

Confirm that external pipe threads are sized within tolerance.

Thread Identifier Sets

Set includes calipers and gauges to identify external and internal threads

Pipe Thread and Thread Pitch Identifiers

In addition to checking NPT and BSPT pipe sizes, use the two included gauges for measuring thread pitch.

Grease Fitting Size Identifiers

Take the guesswork out of determining a grease fitting’s thread type and size.

Compressed Air Systems

Parker Modular Compressed Air Regulators

Adjust and maintain the pressure of your compressed air. These regulators connect to other Parker units of the same series with joiner clamps, so you can customize your air preparation system.

SMC Modular Compressed Air Regulators

Adjust and maintain the pressure of your compressed air. These regulators use joiner clamps to connect to other SMC units of the same series so you can customize your air preparation system.

Compressed Air Regulators
for Double-Acting Cylinders

When your double-acting cylinder sends high-speed air in reverse, a check valve inside these regulators blocks it.

Clean Room Precision Compressed Air Regulators

When precision and cleanliness are critical—such as semiconductor manufacturing and food processing—these regulators are cleaned and bagged in an ISO Class 3 clean room to prevent contamination. They deliver steady air pressure to generate precise, repeatable movement.

SMC Modular Compressed Air Regulator Manifolds

Connect two or more of these manifold regulators to meet multiple pressure requirements from a single air supply—set a different output pressure with each regulator. Use joiner clamps to connect them to other SMC units of the same series, so you can customize your air preparation system.

SMC Modular Compressed Air
Filter/Regulators for Particle Removal

A filter and regulator joined top-to-bottom, these filter/regulators trap particles and maintain pressure in your compressed air line. They connect to other SMC units of the same series with joiner clamps, so you can customize your air preparation system.