คุณลักษณะ

• Used for thread dimension setting and thread accuracy inspection at the start of thread trimming and at the time of chaser replacement.
• Uses die steel with excellent durability.
• For inspection of the accuracy of pipe tapered inner screws (JIS B0203).
• For thread dimension setting and thread accuracy inspection at the start of thread cutting and at the time of chaser replacement.
• For checking screw accuracy during work.