Metric Class Z Plug Gauges

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16 Products

Metric Class Z Plug Gauges

These metric Class Z plug gauges are used for precision go/no-go measuring of hole sizes and depths, checking hole location and distance, and setting micrometers. They’re also known as pin gauges. All come with a certificate of accuracy traceable to NIST that states they've passed a test for accuracy.

If a go gauge can enter the hole and a no-go gauge is unable to enter, the hole is within tolerance.

Go gauges check the minimum hole diameter.

No-go gauges check the maximum hole diameter.

For technical drawings and 3-D models, click on a part number.

Go Gauge
Choose a Plug Gauge Size	Increment	Length	Surface Smoothness (RMS), microinch	Hardness	Material	Plug Gauge Tolerance		Each
0.22 mm to 1.51 mm	0.01 mm	2"	8	Rockwell C60	Tool Steel	0 mm to 0.0025 mm	000000	000000
1.52 mm to 12.71 mm	0.01 mm	2"	8	Rockwell C60	Tool Steel	0 mm to 0.0025 mm	000000	0000
12.72 mm to 15.31 mm	0.01 mm	2"	8	Rockwell C60	Tool Steel	0 mm to 0.0025 mm	000000	00000
15.32 mm to 17.81 mm	0.01 mm	2"	8	Rockwell C60	Tool Steel	0 mm to 0.0025 mm	000000	00000
17.82 mm to 20.37 mm	0.01 mm	2"	8	Rockwell C60	Tool Steel	0 mm to 0.0025 mm	000000	00000
20.38 mm to 22.05 mm	0.01 mm	2"	8	Rockwell C60	Tool Steel	0 mm to 0.0025 mm	000000	00000
22.06 mm to 23.73 mm	0.01 mm	2"	8	Rockwell C60	Tool Steel	0 mm to 0.0025 mm	000000	00000
23.74 mm to 25.41 mm	0.01 mm	2"	8	Rockwell C60	Tool Steel	0 mm to 0.0025 mm	000000	00000
No-Go Gauge
0.22 mm to 1.51 mm	0.01 mm	2"	8	Rockwell C60	Tool Steel	-0.0025 mm to 0 mm	000000	00000
1.52 mm to 12.71 mm	0.01 mm	2"	8	Rockwell C60	Tool Steel	-0.0025 mm to 0 mm	0000000	0000
12.72 mm to 15.31 mm	0.01 mm	2"	8	Rockwell C60	Tool Steel	-0.0025 mm to 0 mm	0000000	00000
15.32 mm to 17.81 mm	0.01 mm	2"	8	Rockwell C60	Tool Steel	-0.0025 mm to 0 mm	0000000	00000
17.82 mm to 20.37 mm	0.01 mm	2"	8	Rockwell C60	Tool Steel	-0.0025 mm to 0 mm	0000000	00000
20.38 mm to 22.05 mm	0.01 mm	2"	8	Rockwell C60	Tool Steel	-0.0025 mm to 0 mm	0000000	00000
22.06 mm to 23.73 mm	0.01 mm	2"	8	Rockwell C60	Tool Steel	-0.0025 mm to 0 mm	0000000	00000
23.74 mm to 25.41 mm	0.01 mm	2"	8	Rockwell C60	Tool Steel	-0.0025 mm to 0 mm	0000000	00000