Description The R425-1 Zirconia Flap Disc 40 Grit: Economical and Efficient Medium-Duty Grinding. The R425-1 Zirconia Flap Disc 40 Grit is designed for medium-duty grinding applications, offering an economical and efficient solution for edge beveling and chamfering. Its T29 conical shape provides versatility for both horizontal and contoured surfaces, while the zirconia abrasive delivers a good material removal rate and lifetime.
