Popular
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Magnetic Sine Plate Machinist
$ 650 – $ 780
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Premium Precision Grinding Vise/CNC Vise
$ 111 – $ 402
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Customized Ceramic Step Gauge
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Magnetic Base Stand Holder
$ 55 – $ 118
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Ceramic Ring Gauge （Imperial/Metric）
Ring Gauge
1. We offer metric, imperial, and various sizes of inner diameter ring gauges.
2. Metric inner diameter ring gauge, inner diameter 1mm-300mm, spacing 1mm, available in stock.
3. The customized precision for metric systems can be ± 2 μ m/± 1 μ m/± 0.5 μ m.
4. We can customize other specifications such as 89.563mm,± 1 μ m.
If there’s anything needed, please contact us.
Smooth Ring Gauge
Inner Diameter Calibration Gauge
Plain Ring Gage Smooth
Hole Gage Measuring Tools Customizable
Related products
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Imperial Ceramic Pin Gauge Set
$ 240 – $ 3,696Select options This product has multiple variants. The options may be chosen on the product page1. This product complies with ASME B89.1.5 standard and The level is Class X/Class Z.
2. Pin gauge length: 50mm
2. We also offer other levels: Class XX/Class Y/Class ZZ。 If you need it, please contact our customer service.
3. We can also customize various irregular and non-standard pin gauges with an accuracy of ± 0.00004″/±1 μ m
If you need it, please contact our customer service.
Liport-PMA Original -
Imperial Ceramic Block Gauge Set
$ 692 – $ 2,150Select options This product has multiple variants. The options may be chosen on the product pageHigh precision, strong stability, and good hardness
Has a good service life 5-10 times that of steel gauge blocks
Wear resistance, corrosion resistance, and non-magnetic propertiesImplement the American ASME B89.1.9-2023 standard
This product is level 0/AS-1/AS-2, We also offer level 00. If you need it, please contact our customer service
Liport-PMA Original
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Imperial/Metric Ceramic GO/NO GO Plug Gauge
Read more1、We offer metric, imperial, and various sizes of Ceramic GO/NO GO plug gauges. The tolerance can be H7/H8/H9
2. Metric GO/NO GO plug gauges, diameter 1mm-200mm, spacing 1mm, available in stock.
3. Imperial GO/NO GO plug gauges, diameter .04″-8″, spacing .001″, available in stock.
4. We can customize Metric GO/NO GO plug gauges, with an accuracy of ± 2μm/± 1μm/± 0.5μm/± 0.25μm.
5.We can also customize Imperial GO/NO GO plug gauges,with class zz/class z/class x/class y/class xx/class xxx.
If necessary, please contact customer service
Liport-PMA Original
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Thread Plug Gauge（Metric, Imperial, and American systems）
Read moreWe provide metric(6H), imperial, and American thread plug gauges with diameters of M0.8-M68.0. Please refer to the detailed description for specific models.
We offer customized products of various specifications and models.
If there’s anything needed, please contact us.
Know Us
Our company founded in 2012, we specialize in the development and production of precision tools and measuring instruments under the brand name Liport-PMA. We provide customized solutions for electronics, machinery, medical, aerospace, and other industries, backed by extensive product experience and a skilled technical team. We look forward to collaborating with you for a brighter future.
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