PDC coal mining drill bit/PDC anchor shank drill bit/pdc bolt mesh drill bit fromZhengzhou LD Diamond Products Co., LtdDiameter:25,26,27,28,29,30,32,36,40,42mmWings:2,3Thread Size:M14*1.5, M12*2,M16*1.5 ,M16*2Applied to drill the bolt-mesh support for... More
Zhengzhou LD Diamond Products CO.,LTD.
Main Products: PDC cutter, PDC coal mining bit, PDC drill bit, diamond grinding wheels... More