One tool bit on a bar
Two tool bits fitted on diametrically opposite sides of
Three tool bits equally spaced on a bar
Four or more tool bits
At the time of manufacture
Before grinding operation
After grinding operation
Frequently
2500-500
500-900
1000-1500
1500-2000
To achieve flatness
To achieve roundness
To improve surface finish
To obtain very smooth reflective surface
Material
Length
Width
Number of teeth
