Bob Walters
TVWBB Member
I've done a lot of grinding and wire brushing. I have never had a wheel fly apart; however, EVERY time I use a grinder, cut-off wheel, or wire brush, pieces of metal of various sizes fly off at high velocity. I don't want one of them to hit me in the eye; therefore, I consider a face shield, no matter how inexpensive, to be a good investment even if it won't stop a broke cut-off wheel.I would be interested in which face shield would really make a difference if you were using a cut-off wheel or grinder disk and it blew apart......... snip........
It's also good practice to keep your face out of the plane of rotation even though that is often the best place to be for the most accurate cut. I often take aim with the grinder off or at least not yet cutting, and then move my face off to the side during the actual cutting.