The difference between left threading roller and right threading roller

For the thread rolling dies of hydraulic thread rolling machine, have full thread roller and partical thread roller. 

Based on the partical thread roller, customer always need right threading roller and left threading roller.

The below photo will show its different:

The thin roller is left threading roller, u see the thread on the right side is higher than left side;

The thick roller is right threading roller, u see the thread on the right size is lower than left side. 

Advantages:

Use specific roller, working will be more stable and high precision, also save using life.

Pls contact us freely and send ur request, will recommend suitable thread rolling machine and correct thread rolling dies for u. 

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Email: sales@zhihaomachinery.com