Name: PDC non-coring bit, blade type Brand: SDTOPS Model: T4B153 Size: 75mm~214mm Matrix material: Tungsten alloy Life time: 800m~1000m Application: Geological exploration, coalfield mining, water well drilling and water conservancy and hydropower, etc. Applicable formation: Soft and medium hard rocks, like Sandstone, Shale, Limestone, Conglomerate, Mable, etc. Features: About 10 times useful life than Carbide drill bit; About 4 times useful life than Diamond drill bit