carbide button cutters

7 7/8 IADC 837 roller cone cutter / tricone cone cutter 130mm roller bits for rock core barrel tricone palm cutters Product Description Steel tooth ,milled tooth single cutter TCI single cutter Factory prices! 1) Type: milled tooth bit and TCI bit 2) Size: 3”--26” (76mm--660.4mm) 3) IADC: standard IADC including 111 to 737 4) Bearing sealed: metal sealed(FJ), rubber sealed(FR), not sealed 5) Color: blue, golden or as customers' requirement. 6) Formation: soft, soft to medium