By providing a guard
Providing plastic coating
By applying thin layers of oil
Provide a stand
Metric thread 20 mm diameter
Metric thread 20 mm length
Metric thread 20 mm pitch
Metric thread 20 mm lead
0.5 x pitch
0.6134 x pitch
0.6403 x pitch
0.75 x pitch
Support at fixed place of work
Support continuous entire length of work
It rotate with the work
It rotate and moves along the work
Support at one fixed place only
Support continuous entire length
It rotate with the job
