Thread plug gauges, 7-piece set in sturdy plastic case M 3 - M 12

• for internal metric thread inspection across the stated set range
• for production, maintenance, and incoming goods control where several sizes are checked regularly
• for selecting the correct plug gauge by thread size before applying the inspection logic
• for organized gauge storage in the supplied plastic case

Note Use the set only for internal threads and select each gauge by the thread size named in the inspection plan.

• Seven-piece set structure supports repeated inspection of common metric internal threads.
• Plastic case packaging keeps the gauge group organized by size.
• Set selection reduces the need to source individual gauges for the stated range.
• Plug-gauge format checks internal threads without adding cutting load to the component.

• The set is limited to the sizes included in the product data, so choose individual gauges for threads outside the stated range.

1. Identify the internal thread size from the drawing or component marking.
2. Select the matching gauge from the case before starting the inspection.
3. Clean the thread and the gauge contact surfaces.
4. Apply the required GO or NO GO inspection side according to the inspection plan.
5. Do not force the gauge if contamination, burrs, or mismatch are present.
6. Record the result according to your quality or workshop process.
7. Return the gauge to the correct case position after inspection.

• 1 set Thread plug gauges, 7-piece set in sturdy plastic case M 3 - M 12
• 1 piece kunststoff-kassette

• Product type: thread plug gauge set
• Thread system: M
• Thread designation: M 12
• Gauge function: GO/NO-GO
• Gauge target: internal threads
• Direction: RH
• Packaging: Kunststoff-Kassette
• Package quantity: 1

When do you use this gauge set?

Use it when several internal metric thread sizes in the stated range have to be inspected regularly in one workplace.

How do you choose the right gauge from the case?

Choose the gauge by the thread size in the drawing or inspection plan before applying the GO or NO GO logic.

Is the set for internal or external threads?

The plug gauge set is for internal threads, while external threads require ring gauges.

Can the gauges clean a tight thread?

No, the gauges are inspection tools and must not be used to correct or clean a tight thread.

What should you check before ordering?

Check the metric size range, the inspection requirement, and whether plug gauges are the correct gauge type for the part.

How do you keep the set usable?

Clean the gauges after inspection and return each one to the correct case position.

Where can you find the thread gauges catalog?

You can find the thread gauges catalog here: VG 23 catalog as PDF