high quality PDC drill bit

PDC anchor shank drill bits are mainly used for coal mine, water conservancy and hydropower, construction and communication penetration. Their life is 10-30 times of alloy bits. Usually the anchor shank drill bits have 2 or 3 wings.
LD adopt high quality PDC cutters and advanced brazing technology, so the anchor shank drill bits have high impact resistance and stable performance, can be applied to rock formation of f≤12,like gravel, granite, limestone, etc.
Our diameter is from 25mm to 42mm, any special design is available upon customers' request.