A:
For maximum performance, run the grinder at the highest possible speed marked on the wheel and hold your right angle grinder at the correct angle.
- 15° angle with Type 28 saucers and Type 29 wheels
- 30° angle with most 1/8" and all 1/4" thick Type 27 Wheels
- 90° angle with .045", 1/16", 3/32", .125" and 1/8" thick Type 27 Wheels