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PDC coal mining drill bit/PDC anchor shank drill bit/PDC bolt mesh drill bit/PDC anchor shank coal bitfrom Zhengzhou LD Diamond Products Co., Ltd.Diameter:25,26,27,28,29,30,32,36,40,42mm
Wings:2, 3
Thread Size:M14*1.5, M12*2, M16*1.5, M16*2
Applied to drill the bolt-mesh support for the coal mine, dam and roadway construction,etc.
Liuding PDC anchor shank drill bit select top grade PDC cutter, the bit has stable performance and impact resistance, could be applied to rock formation f=12, like conglomerate, granite, limestone, etc.
PDC coal mining drill bit we have three series: economic series, enforced series, super forced series.
