The best sandpaper for difficult metals including iron or metal is aluminum oxide, while the top sandpaper for softer metals such as aluminum or brass is silicon carbide. Back again to outdated web page Close If there is everything in the cart, it will not be brought above to your https://www.facebook.com/permalink.php?story_fbid=pfbid02jAArigxVkBEZXSNgVpCS7cqWweu4SsWHBZ26UU6tFGHtNiqwE8ckgcEmqTbSGN2Ql&id=61562415773754&__cft__[0]=AZX_BCZxnuMA1RxyWH8Bi-yRF9rwBx5u2ktENoiePTkpV64ICIr_JRop4vSkPDmUoGBNflUdRhhpSW13o6UGYRfehZ8-b2vojIMg30gryCF9Mzo4bwUgCLHo2MwQoMfBixNe-zsGGziPDKIz3i-Rq-c4TRawaekylJ6ClA4SissJmPrO5RIMQ7_ChNUefQ0tN8eeVjVsfvJKOux6GoDA5scz&__tn__=%2CO%2CP-R