cemented carbide buttons for mining 1 100% virgin material 2 grade :YG8C YG9 YG10C ZD15R 3 grinding ,shining , CEMENTED CARBIDE BUTTONS FOR DRILL BIT 1 VIRGIN MATERIAL YG6 YG8C YG9 YG10C ZD15R 2 SHINING ,POLISHED ,GRINDING 3 WE CAN MARK SOME WORDS ON THE BOTTOM OF BUTTONS . 4 BUTTONS FOR DRILL BITS ,MINING TOOLS 5 WE CAN ALSO PRODUCE AS YOUR DRAWINGS