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Sewing Screw (SM) JIS B 0226
The thread angle is 60 degrees.
Accuracy is 1, 2 and 3 grades, and size is inch size
e.g. SM1/8-44 SM1/4-40
There are standard products of taps and gauges.
Standard Yamagata
ミシンねじ （ｓｍ） とは | オーエスジー
What is a sewing screw (SM)?
No : 8312
公開日時 :
更新日時 : 2024/08/28 02:29
