统一螺钉（UNC）的水量规 线程仪 WR7/16-14UNC2A

Gage type: ANSI B1.2
Nominal dimension (mm): 7/16
Pitch (mm): 14
Grade (class): 2A
Pitch (number of peaks/inch): 14
Nominal dimension: 7/16
Gage type: Street, stop

ohns（相当于JIS SKS3）

128G

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