PFERD 67258 POLIFAN®-Curve Radial Type Flap Disc - Ceramic Oxide, 4-1/2" Diameter, 5/8-11 Thread, 13300 RPM, 60 Grit Welding Accessory and Angle Grinder Attachment

Great disc for grinding welds, last a long time. Shape makes blending easy.

Good for grinding inside corners

I got both sizes available medium and large. Both have a different radius for how large the fillet is. Medium will be more versatile across the board for me with TIG. For stick or multi pass fillets I think large will be good. The 60 grit is a bit aggressive for a finishing pass, but sure removes material fast. It leaves some grind marks behind as you'd expect from 60. I was able to get a reasonably good finish, and then did a bit of finishing with a flap disk and hand with scouring pads. I wish they came in 80-120 grit on here too, I'd buy them as well

The disk works great but use it only when needed for tight inside corners. I gave it four stars because of the price.

Good, but came only in a plastic bag

The only problem with this product is that it's so good I too often use it on jobs that would be done with the much cheaper flap disk. I've solved this problem by buying a 2nd angle grinder do I can have one loaded with this product and the other with a cut-off wheel or flap wheel. BTW, getting this wheel of is difficult. I have to lock it in a vise and rotate the grinder. Problem solved by having the 2nd grinder. This product gets in places otherwise difficult to get to with standard flap wheel. I bought a 2 inch pneumatic angle grind to get into small places but use it less now that I have this product. It takes metal off quickly. This would be a "must have" for metal artists.

I know Pherd is expensive. But these last and last. Will save your bacon on a finish weld that shows. Wanna make that weld that shows invisible. You need this.

The main picture shows 2 but you only get 1