圈上泽文大峰 Thread Profiles When power is to be transmitted,Square and Acme threads are normally used Square and Acme thread profile 圆上泽夫道大学 Thread Profiles ▣ Preferred Pitches for Acme Threads 4 0.3707p d.in 。22号3 p.in 1515  When power is to be transmitted, Square and Acme threads are normally used  Square and Acme thread profile Thread Profiles Thread Profiles  Preferred Pitches for Acme Threads