Name: PDC coring bit 

Brand: SDTOPS

Model: TC113c

Size: 75mm~171mm BQ, NQ, HQ, PQ

Matrix material: Tungsten alloy

Life time: 600m~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