ゲージの使用上の注意について | オーエスジー

Usage notes for gauge

 1. Do not screw the gauge into the place where the product is moving.
 2. Do not screw with strong force.
"Strength to grip the pencil" is a guideline. Do not use a wrench.
 3. Do not screw rusty gauge or dirty gauge .
Before use, clean the anti-rust oil on the gauge and wipe it well with a dry and clean cloth to ensure that there are no scratches or rust.
 4. Remove chips and dust from the threads to be inspected.
→ Welding prevention