Measuring device with two registration elements which determine if a feature to be measured is between two established limits.
Surface imperfection, deeper than a scratch, often with raised edges.
1 Crystaline orientation of material in the direction of mill rolling. 2 Orientation of a surface finish generated by abrasive method.
Process of removing material by abrasion.
Material clamping devices often serrated for additional holding force to restrain material during a die operation.
Mineral particles used for abrasive metal removal.