The Definition of Diamond Non-coring Drill

A non-coring bit with a diamond clad sheet structurally comprises a bit body, a geological cutting wing and a reamer. The non-coring bit with the diamond clad sheet is characterized in that the diamond clad sheet is additionally arranged in the central position of the bit body, when the non-coring bit is used for drilling, whether soft rocks or hard rocks are encountered, the non-coring bit can work normally, the drilling efficiency on drilling the hard rocks can be increased by 4 to 8 times compared to an ordinary non-coring bit, and the service life of the non-coring bit with the diamond clad sheet can be prolonged by 2 times