Xi'an Tydrillbits Co.,Ltd is one of the most famous China t2-101 core bit manufacturers, welcome to wholesale cheap t2-101 core bit from our factory.Description of T2 101 core bitsT2 101 core bit is one of the impregnated core bits. Because of high drilling efficiency and core completely, they are widely used in mineral exploration.   Parameters of T2 101 core bitsDouble tube surfaceSize( surface exploration drillMatric system(mm)Imperial system( in )Hole diameterCore diameterHole diameterCore diameterBQ6036.42.361.43NQ75.747.62.981.88HQ96.163.53.782.5PQ122.7854.833.34Triple tube surfaceNQ375.7452.981.78HQ396.161.13.782.41PQ3122.7834.833.27