Flap Discs - Red Heat R961 The upgraded ceramic flaps alternating with durable zirconia flaps in Red Heat flap discs increase performance by 20% for excellent efficiencies on mild carbon steel, ferrous metal, and cast iron applications. Flap discs eliminate the 2-step grinding/finishing process of depressed center wheels and fiber discs, reducing material and labor costs. They are used on right angle and vertical shaft portable grinders. Available in various sizes with 5/8"-11 hub or with 7/8" center hole. Type 27 Flat: Quick trim, flexible red plastic backing plate. Type 29 Conical: Durable fiberglass back. Typical Applications/Markets • Stock Removal • Edge Chamfering • Weld Blending • Deburring/Deflashing • Cleaning/Finishing Features & Benefits Type 27 Flat – For blending and smooth finishing NEW! Trimmable, flexible red plastic backing plate Additional conformability; requires less pressure to work at maximum performance New industry standard for trimmability and the plastic wears away as the flap discs grind