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Sunday, January 9, 2011

LEFT HAND & RIGHT HAND THREADS

LEFT HAND & RIGHT HAND THREADS

A right hand thread advances into he same size of threaded hole when turned in clock wise direction.

A left hand thread advances into the same sixe of threaded hole whin turne in anti clock wise direction.

If any thread is not spocified whether. It is right hand or left hand, It is always considered right hand thread. 
A lift hand thread is always marked (LH).
The silple convention to indicate a thread by drawing two lines indicating the depth of thread.
 RIGHT HAND GRIP
1.3

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