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Eisen SPZ Series Limit Screw Gauge

Made in Japan
Manufacturer: Eisen Co., Ltd.
Model: SPZ  Series

Ceramic thread plug gauge for metric threads

About the Series

SPZ Series

Features

Only the frequently used GO side gauge is made of ceramics. The NO GO side gauge is made of steel equivalent to the conventional SKS3, achieving wear resistance and low cost.
It has a lifespan 5 to 10 times longer than steel plug gauges.
Depends on the material of the object being measured.
We also handle thread gauges other than standard stock items.

Series Details

Example of notation 

Life test results

Thread NominalpitchGauge TypeGrade
M1.40.3RegularGPIP (for JIS inspection)
GPWP (for JIS work)

GPNP (ISO)

Ⅱ (JIS grade)

6H (ISO grade)
*M1.4[5H]

M1.60.35Regular
M1.70.35Regular
M1.80.35Regular
M20.4Regular
M2.30.4Regular
M2.50.45Regular
M2.60.45Regular
M30.5Regular
M40.7Regular
M50.8Regular
M61.0Regular
M81.25Regular
M81.0Details
M101.5Regular
M101.25Details
M101.0Details
M121.75Regular
M121.5Details
M121.25Details
  • Special sizes are also available.
  • (Fine, extra fine, unified, helical insert, pre-plating setting, etc.

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