统一螺钉（UNC）的水量规 线程仪 WR7/8-9UNC2A

Gage type: ANSI B1.2
Nominal dimension (mm): 7/8
Pitch (mm): 9
Grade (class): 2A
Pitch (number of peaks/inch): 9
Nominal dimension: 7/8
Gage type: Straight, stop

ohns（相当于JIS SKS3）

284G

-

-

-

-

-