Do It Yourself: How to Grind Parting and Grooving Tools
Blanks
Straight blanks for grinding parting tools are available in 9 widths from 2.3–11.6 mm (0.091–0.457 inch). These blanks have flat tops, which allow for the grinding of many different shapes.
90° blanks in R/L versions are also available, mainly for use in the aerospace industry.

Tool holder
When grinding, a standard tool holder is a suitable fixture; the recommended setting angles for the grinding wheel are shown below.

Grinding wheel properties
- Grain size: US Mesh 170–240 (75–55 mm)
- Binder: Metal
- Concentration: 75–100 abrasive volume
Solutions for different products and applications can be made, see the example below.

Recommended setting angles for the grinding wheel