Jumbo Blue Zirconia Flap Disc, Type 29, 40-Grit, 4.5-In. Irwin alloy metal drilling on hardened

alloy metal drilling on hardened steel

SpeedPoint tip for fast starts

Rolled Fin for Strength and Safety

quick connect socket

or create an interesting detail on built-up molding

Jumbo Blue Zirconia Flap Disc, Type 29, 40-Grit, 4.5-In. Irwin alloy metal drilling on hardenedFlap disc, blue zirconia, 40 grit type 29, depressed center, 4 1 2" with 7 8" arbor za40, for right angle grinders. cuts fast and outlast sanding discs 10 to 1. great flexibility. ideal for rough or fine finishing. multiple layers of zirconia cloth flaps constantly exposing new extra sharp grinding points. laminated by state of the art automated equipment. reinforced fiberglass backing plate. each disc balance tested for vibration free grinding