3M6200J紅色鉆石磨塊M75海綿打磨塊 For hard to grind material, stone, glass, ceramic, metal, carbide, coites. Metal plated bond securely anchors micron graded diamonds to backing. For wet or dry applications. Durability improves when used with water or oil lubricants. 3M6200J紅色鉆石磨塊M75海綿打磨塊MC,F(xiàn)LEXIBLE DIAMOND PRODUCT產(chǎn)品實物拍攝圖片