brand unit_cost grit sq_in_start sandpaper_pieces disc_grams steel_grams_start steel_grams_end1 steel_grams_end2 steel_grams_worn1 steel_grams_worn2 steel_grams_worn_total notes
Harbor Freight Warrior 3.99 36 42.3 72 71 1008 1000 996 8 4 12 poor design
Makita 4.59 40 48.1 72 89 1024 1003 996 21 7 28 removed most, but wore quickly
Walter 5.5 40 53.9 72 99 1005 995 991 10 4 14 disc held up, can be trimmed back
Diablo 5.97 40 65.6 90 103 1007 993 984 14 9 23 removed 2nd most, disc held up
Dewalt 8.98 40 47 68 79 1041 1035 1029 6 6 12 overpriced
Norton 9.98 40 57.3 80 122 1013 1004 998 9 6 15 disc held up, can be trimmed back
Which Flap Disc is Best? Let's find out!
Project Farm
https://www.youtube.com/watch?v=LLsW2L5HoqQ
https://docs.google.com/spreadsheets/d/1UmJIpPA5u1D2PuA81rOgxfvrLJuJaSyMWR9ifSTTgtg/edit#gid=0
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